91675990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{509}}^1$

素因数の和:637

約数の個数: 64

約数和(自身を含む): 197406720

約数和(自身を除く): 105730730

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 83, 155, 166, 217, 310, 415, 434, 509, 581, 830, 1018, 1085, 1162, 2170, 2545, 2573, 2905, 3563, 5090, 5146, 5810, 7126, 12865, 15779, 17815, 18011, 25730, 31558, 35630, 36022, 42247, 78895, 84494, 90055, 110453, 157790, 180110, 211235, 220906, 295729, 422470, 552265, 591458, 1104530, 1309657, 1478645, 2619314, 2957290, 6548285, 9167599, 13096570, 18335198, 45837995, 91675990]

約数ペア:

[(1, 91675990), (2, 45837995), (5, 18335198), (7, 13096570), (10, 9167599), (14, 6548285), (31, 2957290), (35, 2619314), (62, 1478645), (70, 1309657), (83, 1104530), (155, 591458), (166, 552265), (217, 422470), (310, 295729), (415, 220906), (434, 211235), (509, 180110), (581, 157790), (830, 110453), (1018, 90055), (1085, 84494), (1162, 78895), (2170, 42247), (2545, 36022), (2573, 35630), (2905, 31558), (3563, 25730), (5090, 18011), (5146, 17815), (5810, 15779), (7126, 12865)]