378416844

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{42557}}^1$

素因数の和:42599

約数の個数: 72

約数和(自身を含む): 1084377840

約数和(自身を除く): 705960996

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 4446, 8892, 42557, 85114, 127671, 170228, 255342, 383013, 510684, 553241, 766026, 808583, 1106482, 1532052, 1617166, 1659723, 2212964, 2425749, 3234332, 3319446, 4851498, 4979169, 6638892, 7277247, 9702996, 9958338, 10511579, 14554494, 19916676, 21023158, 29108988, 31534737, 42046316, 63069474, 94604211, 126138948, 189208422, 378416844]

約数ペア:

[(1, 378416844), (2, 189208422), (3, 126138948), (4, 94604211), (6, 63069474), (9, 42046316), (12, 31534737), (13, 29108988), (18, 21023158), (19, 19916676), (26, 14554494), (36, 10511579), (38, 9958338), (39, 9702996), (52, 7277247), (57, 6638892), (76, 4979169), (78, 4851498), (114, 3319446), (117, 3234332), (156, 2425749), (171, 2212964), (228, 1659723), (234, 1617166), (247, 1532052), (342, 1106482), (468, 808583), (494, 766026), (684, 553241), (741, 510684), (988, 383013), (1482, 255342), (2223, 170228), (2964, 127671), (4446, 85114), (8892, 42557)]