1997702930

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{77641}}^1$

素因数の和:77762

約数の個数: 32

約数和(自身を含む): 3756630528

約数和(自身を除く): 1758927598

約数列:

[1, 2, 5, 10, 31, 62, 83, 155, 166, 310, 415, 830, 2573, 5146, 12865, 25730, 77641, 155282, 388205, 776410, 2406871, 4813742, 6444203, 12034355, 12888406, 24068710, 32221015, 64442030, 199770293, 399540586, 998851465, 1997702930]

約数ペア:

[(1, 1997702930), (2, 998851465), (5, 399540586), (10, 199770293), (31, 64442030), (62, 32221015), (83, 24068710), (155, 12888406), (166, 12034355), (310, 6444203), (415, 4813742), (830, 2406871), (2573, 776410), (5146, 388205), (12865, 155282), (25730, 77641)]