78407308

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{877}}^1$

素因数の和:1022

約数の個数: 48

約数和(自身を含む): 163631104

約数和(自身を除く): 85223796

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 103, 124, 206, 217, 412, 434, 721, 868, 877, 1442, 1754, 2884, 3193, 3508, 6139, 6386, 12278, 12772, 22351, 24556, 27187, 44702, 54374, 89404, 90331, 108748, 180662, 190309, 361324, 380618, 632317, 761236, 1264634, 2529268, 2800261, 5600522, 11201044, 19601827, 39203654, 78407308]

約数ペア:

[(1, 78407308), (2, 39203654), (4, 19601827), (7, 11201044), (14, 5600522), (28, 2800261), (31, 2529268), (62, 1264634), (103, 761236), (124, 632317), (206, 380618), (217, 361324), (412, 190309), (434, 180662), (721, 108748), (868, 90331), (877, 89404), (1442, 54374), (1754, 44702), (2884, 27187), (3193, 24556), (3508, 22351), (6139, 12772), (6386, 12278)]