1997556912

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{1319}}^1$

素因数の和:2155

約数の個数: 120

約数和(自身を含む): 6032426400

約数和(自身を除く): 4034869488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 809, 936, 1319, 1618, 1872, 2427, 2638, 3236, 3957, 4854, 5276, 6472, 7281, 7914, 9708, 10517, 10552, 11871, 12944, 14562, 15828, 17147, 19416, 21034, 21104, 23742, 29124, 31551, 31656, 34294, 38832, 42068, 47484, 51441, 58248, 63102, 63312, 68588, 84136, 94653, 94968, 102882, 116496, 126204, 137176, 154323, 168272, 189306, 189936, 205764, 252408, 274352, 308646, 378612, 411528, 504816, 617292, 757224, 823056, 1067071, 1234584, 1514448, 2134142, 2469168, 3201213, 4268284, 6402426, 8536568, 9603639, 12804852, 13871923, 17073136, 19207278, 25609704, 27743846, 38414556, 41615769, 51219408, 55487692, 76829112, 83231538, 110975384, 124847307, 153658224, 166463076, 221950768, 249694614, 332926152, 499389228, 665852304, 998778456, 1997556912]

約数ペア:

[(1, 1997556912), (2, 998778456), (3, 665852304), (4, 499389228), (6, 332926152), (8, 249694614), (9, 221950768), (12, 166463076), (13, 153658224), (16, 124847307), (18, 110975384), (24, 83231538), (26, 76829112), (36, 55487692), (39, 51219408), (48, 41615769), (52, 38414556), (72, 27743846), (78, 25609704), (104, 19207278), (117, 17073136), (144, 13871923), (156, 12804852), (208, 9603639), (234, 8536568), (312, 6402426), (468, 4268284), (624, 3201213), (809, 2469168), (936, 2134142), (1319, 1514448), (1618, 1234584), (1872, 1067071), (2427, 823056), (2638, 757224), (3236, 617292), (3957, 504816), (4854, 411528), (5276, 378612), (6472, 308646), (7281, 274352), (7914, 252408), (9708, 205764), (10517, 189936), (10552, 189306), (11871, 168272), (12944, 154323), (14562, 137176), (15828, 126204), (17147, 116496), (19416, 102882), (21034, 94968), (21104, 94653), (23742, 84136), (29124, 68588), (31551, 63312), (31656, 63102), (34294, 58248), (38832, 51441), (42068, 47484)]