999490572

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{2399}}^1$

素因数の和:2643

約数の個数: 72

約数和(自身を含む): 2578867200

約数和(自身を除く): 1579376628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 163, 213, 284, 326, 426, 489, 639, 652, 852, 978, 1278, 1467, 1956, 2399, 2556, 2934, 4798, 5868, 7197, 9596, 11573, 14394, 21591, 23146, 28788, 34719, 43182, 46292, 69438, 86364, 104157, 138876, 170329, 208314, 340658, 391037, 416628, 510987, 681316, 782074, 1021974, 1173111, 1532961, 1564148, 2043948, 2346222, 3065922, 3519333, 4692444, 6131844, 7038666, 14077332, 27763627, 55527254, 83290881, 111054508, 166581762, 249872643, 333163524, 499745286, 999490572]

約数ペア:

[(1, 999490572), (2, 499745286), (3, 333163524), (4, 249872643), (6, 166581762), (9, 111054508), (12, 83290881), (18, 55527254), (36, 27763627), (71, 14077332), (142, 7038666), (163, 6131844), (213, 4692444), (284, 3519333), (326, 3065922), (426, 2346222), (489, 2043948), (639, 1564148), (652, 1532961), (852, 1173111), (978, 1021974), (1278, 782074), (1467, 681316), (1956, 510987), (2399, 416628), (2556, 391037), (2934, 340658), (4798, 208314), (5868, 170329), (7197, 138876), (9596, 104157), (11573, 86364), (14394, 69438), (21591, 46292), (23146, 43182), (28788, 34719)]