1291227860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{292133}}^1$

素因数の和:292172

約数の個数: 48

約数和(自身を含む): 3091946256

約数和(自身を除く): 1800718396

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 292133, 584266, 1168532, 1460665, 2921330, 3797729, 4966261, 5842660, 7595458, 9932522, 15190916, 18988645, 19865044, 24831305, 37977290, 49662610, 64561393, 75954580, 99325220, 129122786, 258245572, 322806965, 645613930, 1291227860]

約数ペア:

[(1, 1291227860), (2, 645613930), (4, 322806965), (5, 258245572), (10, 129122786), (13, 99325220), (17, 75954580), (20, 64561393), (26, 49662610), (34, 37977290), (52, 24831305), (65, 19865044), (68, 18988645), (85, 15190916), (130, 9932522), (170, 7595458), (221, 5842660), (260, 4966261), (340, 3797729), (442, 2921330), (884, 1460665), (1105, 1168532), (2210, 584266), (4420, 292133)]