257174008

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{773}}^1$

素因数の和:1256

約数の個数: 64

約数和(自身を含む): 595546560

約数和(自身を除く): 338372552

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 457, 728, 773, 914, 1546, 1828, 3092, 3199, 3656, 5411, 5941, 6184, 6398, 10049, 10822, 11882, 12796, 20098, 21644, 23764, 25592, 40196, 41587, 43288, 47528, 70343, 80392, 83174, 140686, 166348, 281372, 332696, 353261, 562744, 706522, 1413044, 2472827, 2826088, 4592393, 4945654, 9184786, 9891308, 18369572, 19782616, 32146751, 36739144, 64293502, 128587004, 257174008]

約数ペア:

[(1, 257174008), (2, 128587004), (4, 64293502), (7, 36739144), (8, 32146751), (13, 19782616), (14, 18369572), (26, 9891308), (28, 9184786), (52, 4945654), (56, 4592393), (91, 2826088), (104, 2472827), (182, 1413044), (364, 706522), (457, 562744), (728, 353261), (773, 332696), (914, 281372), (1546, 166348), (1828, 140686), (3092, 83174), (3199, 80392), (3656, 70343), (5411, 47528), (5941, 43288), (6184, 41587), (6398, 40196), (10049, 25592), (10822, 23764), (11882, 21644), (12796, 20098)]