491006412

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{2423}}^1$

素因数の和:2879

約数の個数: 72

約数和(自身を含む): 1340268384

約数和(自身を除く): 849261972

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 433, 468, 866, 1299, 1732, 2423, 2598, 3897, 4846, 5196, 5629, 7269, 7794, 9692, 11258, 14538, 15588, 16887, 21807, 22516, 29076, 31499, 33774, 43614, 50661, 62998, 67548, 87228, 94497, 101322, 125996, 188994, 202644, 283491, 377988, 566982, 1049159, 1133964, 2098318, 3147477, 4196636, 6294954, 9442431, 12589908, 13639067, 18884862, 27278134, 37769724, 40917201, 54556268, 81834402, 122751603, 163668804, 245503206, 491006412]

約数ペア:

[(1, 491006412), (2, 245503206), (3, 163668804), (4, 122751603), (6, 81834402), (9, 54556268), (12, 40917201), (13, 37769724), (18, 27278134), (26, 18884862), (36, 13639067), (39, 12589908), (52, 9442431), (78, 6294954), (117, 4196636), (156, 3147477), (234, 2098318), (433, 1133964), (468, 1049159), (866, 566982), (1299, 377988), (1732, 283491), (2423, 202644), (2598, 188994), (3897, 125996), (4846, 101322), (5196, 94497), (5629, 87228), (7269, 67548), (7794, 62998), (9692, 50661), (11258, 43614), (14538, 33774), (15588, 31499), (16887, 29076), (21807, 22516)]