2505204

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:177

約数の個数: 72

約数和(自身を含む): 7017192

約数和(自身を除く): 4511988

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 53, 78, 101, 106, 117, 156, 159, 202, 212, 234, 303, 318, 404, 468, 477, 606, 636, 689, 909, 954, 1212, 1313, 1378, 1818, 1908, 2067, 2626, 2756, 3636, 3939, 4134, 5252, 5353, 6201, 7878, 8268, 10706, 11817, 12402, 15756, 16059, 21412, 23634, 24804, 32118, 47268, 48177, 64236, 69589, 96354, 139178, 192708, 208767, 278356, 417534, 626301, 835068, 1252602, 2505204]

約数ペア:

[(1, 2505204), (2, 1252602), (3, 835068), (4, 626301), (6, 417534), (9, 278356), (12, 208767), (13, 192708), (18, 139178), (26, 96354), (36, 69589), (39, 64236), (52, 48177), (53, 47268), (78, 32118), (101, 24804), (106, 23634), (117, 21412), (156, 16059), (159, 15756), (202, 12402), (212, 11817), (234, 10706), (303, 8268), (318, 7878), (404, 6201), (468, 5353), (477, 5252), (606, 4134), (636, 3939), (689, 3636), (909, 2756), (954, 2626), (1212, 2067), (1313, 1908), (1378, 1818)]