281928005060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1217}}^1\times {\mathrm{890993}}^1$

素因数の和:892232

約数の個数: 48

約数和(自身を含む): 638115646896

約数和(自身を除く): 356187641836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1217, 2434, 4868, 6085, 12170, 15821, 24340, 31642, 63284, 79105, 158210, 316420, 890993, 1781986, 3563972, 4454965, 8909930, 11582909, 17819860, 23165818, 46331636, 57914545, 115829090, 231658180, 1084338481, 2168676962, 4337353924, 5421692405, 10843384810, 14096400253, 21686769620, 28192800506, 56385601012, 70482001265, 140964002530, 281928005060]

約数ペア:

[(1, 281928005060), (2, 140964002530), (4, 70482001265), (5, 56385601012), (10, 28192800506), (13, 21686769620), (20, 14096400253), (26, 10843384810), (52, 5421692405), (65, 4337353924), (130, 2168676962), (260, 1084338481), (1217, 231658180), (2434, 115829090), (4868, 57914545), (6085, 46331636), (12170, 23165818), (15821, 17819860), (24340, 11582909), (31642, 8909930), (63284, 4454965), (79105, 3563972), (158210, 1781986), (316420, 890993)]