129681136

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{199}}^1\times {\mathrm{241}}^1$

素因数の和:474

約数の個数: 60

約数和(自身を含む): 274573200

約数和(自身を除く): 144892064

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 199, 208, 241, 338, 398, 482, 676, 796, 964, 1352, 1592, 1928, 2587, 2704, 3133, 3184, 3856, 5174, 6266, 10348, 12532, 20696, 25064, 33631, 40729, 41392, 47959, 50128, 67262, 81458, 95918, 134524, 162916, 191836, 269048, 325832, 383672, 538096, 623467, 651664, 767344, 1246934, 2493868, 4987736, 8105071, 9975472, 16210142, 32420284, 64840568, 129681136]

約数ペア:

[(1, 129681136), (2, 64840568), (4, 32420284), (8, 16210142), (13, 9975472), (16, 8105071), (26, 4987736), (52, 2493868), (104, 1246934), (169, 767344), (199, 651664), (208, 623467), (241, 538096), (338, 383672), (398, 325832), (482, 269048), (676, 191836), (796, 162916), (964, 134524), (1352, 95918), (1592, 81458), (1928, 67262), (2587, 50128), (2704, 47959), (3133, 41392), (3184, 40729), (3856, 33631), (5174, 25064), (6266, 20696), (10348, 12532)]