815748128

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{467}}^1$

素因数の和:539

約数の個数: 144

約数和(自身を含む): 1942405920

約数和(自身を除く): 1126657792

約数列:

[1, 2, 4, 8, 13, 16, 17, 19, 26, 32, 34, 38, 52, 68, 76, 104, 136, 152, 169, 208, 221, 247, 272, 304, 323, 338, 416, 442, 467, 494, 544, 608, 646, 676, 884, 934, 988, 1292, 1352, 1768, 1868, 1976, 2584, 2704, 2873, 3211, 3536, 3736, 3952, 4199, 5168, 5408, 5746, 6071, 6422, 7072, 7472, 7904, 7939, 8398, 8873, 10336, 11492, 12142, 12844, 14944, 15878, 16796, 17746, 22984, 24284, 25688, 31756, 33592, 35492, 45968, 48568, 51376, 54587, 63512, 67184, 70984, 78923, 91936, 97136, 102752, 103207, 109174, 115349, 127024, 134368, 141968, 150841, 157846, 194272, 206414, 218348, 230698, 254048, 283936, 301682, 315692, 412828, 436696, 461396, 603364, 631384, 825656, 873392, 922792, 1206728, 1262768, 1341691, 1499537, 1651312, 1746784, 1845584, 1960933, 2413456, 2525536, 2683382, 2999074, 3302624, 3691168, 3921866, 4826912, 5366764, 5998148, 7843732, 10733528, 11996296, 15687464, 21467056, 23992592, 25492129, 31374928, 42934112, 47985184, 50984258, 62749856, 101968516, 203937032, 407874064, 815748128]

約数ペア:

[(1, 815748128), (2, 407874064), (4, 203937032), (8, 101968516), (13, 62749856), (16, 50984258), (17, 47985184), (19, 42934112), (26, 31374928), (32, 25492129), (34, 23992592), (38, 21467056), (52, 15687464), (68, 11996296), (76, 10733528), (104, 7843732), (136, 5998148), (152, 5366764), (169, 4826912), (208, 3921866), (221, 3691168), (247, 3302624), (272, 2999074), (304, 2683382), (323, 2525536), (338, 2413456), (416, 1960933), (442, 1845584), (467, 1746784), (494, 1651312), (544, 1499537), (608, 1341691), (646, 1262768), (676, 1206728), (884, 922792), (934, 873392), (988, 825656), (1292, 631384), (1352, 603364), (1768, 461396), (1868, 436696), (1976, 412828), (2584, 315692), (2704, 301682), (2873, 283936), (3211, 254048), (3536, 230698), (3736, 218348), (3952, 206414), (4199, 194272), (5168, 157846), (5408, 150841), (5746, 141968), (6071, 134368), (6422, 127024), (7072, 115349), (7472, 109174), (7904, 103207), (7939, 102752), (8398, 97136), (8873, 91936), (10336, 78923), (11492, 70984), (12142, 67184), (12844, 63512), (14944, 54587), (15878, 51376), (16796, 48568), (17746, 45968), (22984, 35492), (24284, 33592), (25688, 31756)]