381288796

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{31891}}^1$

素因数の和:31970

約数の個数: 36

約数和(自身を含む): 788944296

約数和(自身を除く): 407655500

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 98, 122, 196, 244, 427, 854, 1708, 2989, 5978, 11956, 31891, 63782, 127564, 223237, 446474, 892948, 1562659, 1945351, 3125318, 3890702, 6250636, 7781404, 13617457, 27234914, 54469828, 95322199, 190644398, 381288796]

約数ペア:

[(1, 381288796), (2, 190644398), (4, 95322199), (7, 54469828), (14, 27234914), (28, 13617457), (49, 7781404), (61, 6250636), (98, 3890702), (122, 3125318), (196, 1945351), (244, 1562659), (427, 892948), (854, 446474), (1708, 223237), (2989, 127564), (5978, 63782), (11956, 31891)]