8161308

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 21805056

約数和(自身を除く): 13643748

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 71, 93, 103, 124, 142, 186, 206, 213, 279, 284, 309, 372, 412, 426, 558, 618, 639, 852, 927, 1116, 1236, 1278, 1854, 2201, 2556, 3193, 3708, 4402, 6386, 6603, 7313, 8804, 9579, 12772, 13206, 14626, 19158, 19809, 21939, 26412, 28737, 29252, 38316, 39618, 43878, 57474, 65817, 79236, 87756, 114948, 131634, 226703, 263268, 453406, 680109, 906812, 1360218, 2040327, 2720436, 4080654, 8161308]

約数ペア:

[(1, 8161308), (2, 4080654), (3, 2720436), (4, 2040327), (6, 1360218), (9, 906812), (12, 680109), (18, 453406), (31, 263268), (36, 226703), (62, 131634), (71, 114948), (93, 87756), (103, 79236), (124, 65817), (142, 57474), (186, 43878), (206, 39618), (213, 38316), (279, 29252), (284, 28737), (309, 26412), (372, 21939), (412, 19809), (426, 19158), (558, 14626), (618, 13206), (639, 12772), (852, 9579), (927, 8804), (1116, 7313), (1236, 6603), (1278, 6386), (1854, 4402), (2201, 3708), (2556, 3193)]