998999936

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{349}}^1$

素因数の和:500

約数の個数: 128

約数和(自身を含む): 2313360000

約数和(自身を除く): 1314360064

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 64, 76, 88, 107, 128, 152, 176, 209, 214, 304, 349, 352, 418, 428, 608, 698, 704, 836, 856, 1177, 1216, 1396, 1408, 1672, 1712, 2033, 2354, 2432, 2792, 3344, 3424, 3839, 4066, 4708, 5584, 6631, 6688, 6848, 7678, 8132, 9416, 11168, 13262, 13376, 13696, 15356, 16264, 18832, 22336, 22363, 26524, 26752, 30712, 32528, 37343, 37664, 44672, 44726, 53048, 61424, 65056, 72941, 74686, 75328, 89452, 106096, 122848, 130112, 145882, 149372, 150656, 178904, 212192, 245696, 260224, 291764, 298744, 357808, 410773, 424384, 491392, 583528, 597488, 709517, 715616, 821546, 848768, 1167056, 1194976, 1419034, 1431232, 1643092, 2334112, 2389952, 2838068, 2862464, 3286184, 4668224, 4779904, 5676136, 6572368, 7804687, 9336448, 11352272, 13144736, 15609374, 22704544, 26289472, 31218748, 45409088, 52578944, 62437496, 90818176, 124874992, 249749984, 499499968, 998999936]

約数ペア:

[(1, 998999936), (2, 499499968), (4, 249749984), (8, 124874992), (11, 90818176), (16, 62437496), (19, 52578944), (22, 45409088), (32, 31218748), (38, 26289472), (44, 22704544), (64, 15609374), (76, 13144736), (88, 11352272), (107, 9336448), (128, 7804687), (152, 6572368), (176, 5676136), (209, 4779904), (214, 4668224), (304, 3286184), (349, 2862464), (352, 2838068), (418, 2389952), (428, 2334112), (608, 1643092), (698, 1431232), (704, 1419034), (836, 1194976), (856, 1167056), (1177, 848768), (1216, 821546), (1396, 715616), (1408, 709517), (1672, 597488), (1712, 583528), (2033, 491392), (2354, 424384), (2432, 410773), (2792, 357808), (3344, 298744), (3424, 291764), (3839, 260224), (4066, 245696), (4708, 212192), (5584, 178904), (6631, 150656), (6688, 149372), (6848, 145882), (7678, 130112), (8132, 122848), (9416, 106096), (11168, 89452), (13262, 75328), (13376, 74686), (13696, 72941), (15356, 65056), (16264, 61424), (18832, 53048), (22336, 44726), (22363, 44672), (26524, 37664), (26752, 37343), (30712, 32528)]