71219772

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4909}}^1$

素因数の和:4963

約数の個数: 72

約数和(自身を含む): 200170880

約数和(自身を除く): 128951108

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1612, 2418, 3627, 4836, 4909, 7254, 9818, 14508, 14727, 19636, 29454, 44181, 58908, 63817, 88362, 127634, 152179, 176724, 191451, 255268, 304358, 382902, 456537, 574353, 608716, 765804, 913074, 1148706, 1369611, 1826148, 1978327, 2297412, 2739222, 3956654, 5478444, 5934981, 7913308, 11869962, 17804943, 23739924, 35609886, 71219772]

約数ペア:

[(1, 71219772), (2, 35609886), (3, 23739924), (4, 17804943), (6, 11869962), (9, 7913308), (12, 5934981), (13, 5478444), (18, 3956654), (26, 2739222), (31, 2297412), (36, 1978327), (39, 1826148), (52, 1369611), (62, 1148706), (78, 913074), (93, 765804), (117, 608716), (124, 574353), (156, 456537), (186, 382902), (234, 304358), (279, 255268), (372, 191451), (403, 176724), (468, 152179), (558, 127634), (806, 88362), (1116, 63817), (1209, 58908), (1612, 44181), (2418, 29454), (3627, 19636), (4836, 14727), (4909, 14508), (7254, 9818)]