491569216

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{404251}}^1$

素因数の和:404282

約数の個数: 28

約数和(自身を含む): 1026800080

約数和(自身を除く): 535230864

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 404251, 808502, 1617004, 3234008, 6468016, 7680769, 12936032, 15361538, 25872064, 30723076, 61446152, 122892304, 245784608, 491569216]

約数ペア:

[(1, 491569216), (2, 245784608), (4, 122892304), (8, 61446152), (16, 30723076), (19, 25872064), (32, 15361538), (38, 12936032), (64, 7680769), (76, 6468016), (152, 3234008), (304, 1617004), (608, 808502), (1216, 404251)]