128439882

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:236

約数の個数: 96

約数和(自身を含む): 302455296

約数和(自身を除く): 174015414

約数列:

[1, 2, 3, 6, 9, 18, 31, 43, 53, 62, 86, 93, 101, 106, 129, 159, 186, 202, 258, 279, 303, 318, 387, 477, 558, 606, 774, 909, 954, 1333, 1643, 1818, 2279, 2666, 3131, 3286, 3999, 4343, 4558, 4929, 5353, 6262, 6837, 7998, 8686, 9393, 9858, 10706, 11997, 13029, 13674, 14787, 16059, 18786, 20511, 23994, 26058, 28179, 29574, 32118, 39087, 41022, 48177, 56358, 70649, 78174, 96354, 134633, 141298, 165943, 211947, 230179, 269266, 331886, 403899, 423894, 460358, 497829, 635841, 690537, 807798, 995658, 1211697, 1271682, 1381074, 1493487, 2071611, 2423394, 2986974, 4143222, 7135549, 14271098, 21406647, 42813294, 64219941, 128439882]

約数ペア:

[(1, 128439882), (2, 64219941), (3, 42813294), (6, 21406647), (9, 14271098), (18, 7135549), (31, 4143222), (43, 2986974), (53, 2423394), (62, 2071611), (86, 1493487), (93, 1381074), (101, 1271682), (106, 1211697), (129, 995658), (159, 807798), (186, 690537), (202, 635841), (258, 497829), (279, 460358), (303, 423894), (318, 403899), (387, 331886), (477, 269266), (558, 230179), (606, 211947), (774, 165943), (909, 141298), (954, 134633), (1333, 96354), (1643, 78174), (1818, 70649), (2279, 56358), (2666, 48177), (3131, 41022), (3286, 39087), (3999, 32118), (4343, 29574), (4558, 28179), (4929, 26058), (5353, 23994), (6262, 20511), (6837, 18786), (7998, 16059), (8686, 14787), (9393, 13674), (9858, 13029), (10706, 11997)]