257304992

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{60457}}^1$

素因数の和:60493

約数の個数: 48

約数和(自身を含む): 609416640

約数和(自身を除く): 352111648

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 266, 304, 532, 608, 1064, 2128, 4256, 60457, 120914, 241828, 423199, 483656, 846398, 967312, 1148683, 1692796, 1934624, 2297366, 3385592, 4594732, 6771184, 8040781, 9189464, 13542368, 16081562, 18378928, 32163124, 36757856, 64326248, 128652496, 257304992]

約数ペア:

[(1, 257304992), (2, 128652496), (4, 64326248), (7, 36757856), (8, 32163124), (14, 18378928), (16, 16081562), (19, 13542368), (28, 9189464), (32, 8040781), (38, 6771184), (56, 4594732), (76, 3385592), (112, 2297366), (133, 1934624), (152, 1692796), (224, 1148683), (266, 967312), (304, 846398), (532, 483656), (608, 423199), (1064, 241828), (2128, 120914), (4256, 60457)]