251135836

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^2\times {\mathrm{103}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 533571584

約数和(自身を除く): 282435748

約数列:

[1, 2, 4, 7, 14, 28, 31, 53, 62, 103, 106, 124, 206, 212, 217, 371, 412, 434, 721, 742, 868, 1442, 1484, 1643, 2809, 2884, 3193, 3286, 5459, 5618, 6386, 6572, 10918, 11236, 11501, 12772, 19663, 21836, 22351, 23002, 38213, 39326, 44702, 46004, 76426, 78652, 87079, 89404, 152852, 169229, 174158, 289327, 338458, 348316, 578654, 609553, 676916, 1157308, 1184603, 1219106, 2025289, 2369206, 2438212, 4050578, 4738412, 8101156, 8969137, 17938274, 35876548, 62783959, 125567918, 251135836]

約数ペア:

[(1, 251135836), (2, 125567918), (4, 62783959), (7, 35876548), (14, 17938274), (28, 8969137), (31, 8101156), (53, 4738412), (62, 4050578), (103, 2438212), (106, 2369206), (124, 2025289), (206, 1219106), (212, 1184603), (217, 1157308), (371, 676916), (412, 609553), (434, 578654), (721, 348316), (742, 338458), (868, 289327), (1442, 174158), (1484, 169229), (1643, 152852), (2809, 89404), (2884, 87079), (3193, 78652), (3286, 76426), (5459, 46004), (5618, 44702), (6386, 39326), (6572, 38213), (10918, 23002), (11236, 22351), (11501, 21836), (12772, 19663)]