15977772

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:283

約数の個数: 72

約数和(自身を含む): 42398720

約数和(自身を除く): 26420948

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 103, 124, 139, 186, 206, 278, 279, 309, 372, 412, 417, 556, 558, 618, 834, 927, 1116, 1236, 1251, 1668, 1854, 2502, 3193, 3708, 4309, 5004, 6386, 8618, 9579, 12772, 12927, 14317, 17236, 19158, 25854, 28634, 28737, 38316, 38781, 42951, 51708, 57268, 57474, 77562, 85902, 114948, 128853, 155124, 171804, 257706, 443827, 515412, 887654, 1331481, 1775308, 2662962, 3994443, 5325924, 7988886, 15977772]

約数ペア:

[(1, 15977772), (2, 7988886), (3, 5325924), (4, 3994443), (6, 2662962), (9, 1775308), (12, 1331481), (18, 887654), (31, 515412), (36, 443827), (62, 257706), (93, 171804), (103, 155124), (124, 128853), (139, 114948), (186, 85902), (206, 77562), (278, 57474), (279, 57268), (309, 51708), (372, 42951), (412, 38781), (417, 38316), (556, 28737), (558, 28634), (618, 25854), (834, 19158), (927, 17236), (1116, 14317), (1236, 12927), (1251, 12772), (1668, 9579), (1854, 8618), (2502, 6386), (3193, 5004), (3708, 4309)]