25671516

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{89}}^1$

素因数の和:195

約数の個数: 72

約数和(自身を含む): 66785040

約数和(自身を除く): 41113524

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 78, 86, 89, 129, 156, 172, 178, 258, 267, 356, 516, 534, 559, 1068, 1118, 1157, 1677, 1849, 2236, 2314, 3354, 3471, 3698, 3827, 4628, 5547, 6708, 6942, 7396, 7654, 11094, 11481, 13884, 15308, 22188, 22962, 24037, 45924, 48074, 49751, 72111, 96148, 99502, 144222, 149253, 164561, 199004, 288444, 298506, 329122, 493683, 597012, 658244, 987366, 1974732, 2139293, 4278586, 6417879, 8557172, 12835758, 25671516]

約数ペア:

[(1, 25671516), (2, 12835758), (3, 8557172), (4, 6417879), (6, 4278586), (12, 2139293), (13, 1974732), (26, 987366), (39, 658244), (43, 597012), (52, 493683), (78, 329122), (86, 298506), (89, 288444), (129, 199004), (156, 164561), (172, 149253), (178, 144222), (258, 99502), (267, 96148), (356, 72111), (516, 49751), (534, 48074), (559, 45924), (1068, 24037), (1118, 22962), (1157, 22188), (1677, 15308), (1849, 13884), (2236, 11481), (2314, 11094), (3354, 7654), (3471, 7396), (3698, 6942), (3827, 6708), (4628, 5547)]