689908596

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{431}}^1$

素因数の和:813

約数の個数: 96

約数和(自身を含む): 1799110656

約数和(自身を除く): 1109202060

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 331, 372, 403, 431, 662, 806, 862, 993, 1209, 1293, 1324, 1612, 1724, 1986, 2418, 2586, 3972, 4303, 4836, 5172, 5603, 8606, 10261, 11206, 12909, 13361, 16809, 17212, 20522, 22412, 25818, 26722, 30783, 33618, 40083, 41044, 51636, 53444, 61566, 67236, 80166, 123132, 133393, 142661, 160332, 173693, 266786, 285322, 347386, 400179, 427983, 521079, 533572, 570644, 694772, 800358, 855966, 1042158, 1600716, 1711932, 1854593, 2084316, 3709186, 4422491, 5563779, 7418372, 8844982, 11127558, 13267473, 17689964, 22255116, 26534946, 53069892, 57492383, 114984766, 172477149, 229969532, 344954298, 689908596]

約数ペア:

[(1, 689908596), (2, 344954298), (3, 229969532), (4, 172477149), (6, 114984766), (12, 57492383), (13, 53069892), (26, 26534946), (31, 22255116), (39, 17689964), (52, 13267473), (62, 11127558), (78, 8844982), (93, 7418372), (124, 5563779), (156, 4422491), (186, 3709186), (331, 2084316), (372, 1854593), (403, 1711932), (431, 1600716), (662, 1042158), (806, 855966), (862, 800358), (993, 694772), (1209, 570644), (1293, 533572), (1324, 521079), (1612, 427983), (1724, 400179), (1986, 347386), (2418, 285322), (2586, 266786), (3972, 173693), (4303, 160332), (4836, 142661), (5172, 133393), (5603, 123132), (8606, 80166), (10261, 67236), (11206, 61566), (12909, 53444), (13361, 51636), (16809, 41044), (17212, 40083), (20522, 33618), (22412, 30783), (25818, 26722)]