402640368

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{645257}}^1$

素因数の和:645281

約数の個数: 40

約数和(自身を含む): 1120167888

約数和(自身を除く): 717527520

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 645257, 1290514, 1935771, 2581028, 3871542, 5162056, 7743084, 8388341, 10324112, 15486168, 16776682, 25165023, 30972336, 33553364, 50330046, 67106728, 100660092, 134213456, 201320184, 402640368]

約数ペア:

[(1, 402640368), (2, 201320184), (3, 134213456), (4, 100660092), (6, 67106728), (8, 50330046), (12, 33553364), (13, 30972336), (16, 25165023), (24, 16776682), (26, 15486168), (39, 10324112), (48, 8388341), (52, 7743084), (78, 5162056), (104, 3871542), (156, 2581028), (208, 1935771), (312, 1290514), (624, 645257)]