42978156

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{149}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 111308400

約数和(自身を除く): 68330244

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 78, 86, 129, 149, 156, 172, 258, 298, 447, 516, 559, 596, 894, 1118, 1677, 1788, 1849, 1937, 2236, 3354, 3698, 3874, 5547, 5811, 6407, 6708, 7396, 7748, 11094, 11622, 12814, 19221, 22188, 23244, 24037, 25628, 38442, 48074, 72111, 76884, 83291, 96148, 144222, 166582, 249873, 275501, 288444, 333164, 499746, 551002, 826503, 999492, 1102004, 1653006, 3306012, 3581513, 7163026, 10744539, 14326052, 21489078, 42978156]

約数ペア:

[(1, 42978156), (2, 21489078), (3, 14326052), (4, 10744539), (6, 7163026), (12, 3581513), (13, 3306012), (26, 1653006), (39, 1102004), (43, 999492), (52, 826503), (78, 551002), (86, 499746), (129, 333164), (149, 288444), (156, 275501), (172, 249873), (258, 166582), (298, 144222), (447, 96148), (516, 83291), (559, 76884), (596, 72111), (894, 48074), (1118, 38442), (1677, 25628), (1788, 24037), (1849, 23244), (1937, 22188), (2236, 19221), (3354, 12814), (3698, 11622), (3874, 11094), (5547, 7748), (5811, 7396), (6407, 6708)]