171231372

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{4111}}^1$

素因数の和:4223

約数の個数: 72

約数和(自身を含む): 471481920

約数和(自身を除く): 300250548

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 89, 117, 156, 178, 234, 267, 356, 468, 534, 801, 1068, 1157, 1602, 2314, 3204, 3471, 4111, 4628, 6942, 8222, 10413, 12333, 13884, 16444, 20826, 24666, 36999, 41652, 49332, 53443, 73998, 106886, 147996, 160329, 213772, 320658, 365879, 480987, 641316, 731758, 961974, 1097637, 1463516, 1923948, 2195274, 3292911, 4390548, 4756427, 6585822, 9512854, 13171644, 14269281, 19025708, 28538562, 42807843, 57077124, 85615686, 171231372]

約数ペア:

[(1, 171231372), (2, 85615686), (3, 57077124), (4, 42807843), (6, 28538562), (9, 19025708), (12, 14269281), (13, 13171644), (18, 9512854), (26, 6585822), (36, 4756427), (39, 4390548), (52, 3292911), (78, 2195274), (89, 1923948), (117, 1463516), (156, 1097637), (178, 961974), (234, 731758), (267, 641316), (356, 480987), (468, 365879), (534, 320658), (801, 213772), (1068, 160329), (1157, 147996), (1602, 106886), (2314, 73998), (3204, 53443), (3471, 49332), (4111, 41652), (4628, 36999), (6942, 24666), (8222, 20826), (10413, 16444), (12333, 13884)]