251265664

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4871}}^1$

素因数の和:4929

約数の個数: 64

約数和(自身を含む): 556577280

約数和(自身を除く): 305311616

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 403, 416, 496, 806, 832, 992, 1612, 1664, 1984, 3224, 3968, 4871, 6448, 9742, 12896, 19484, 25792, 38968, 51584, 63323, 77936, 126646, 151001, 155872, 253292, 302002, 311744, 506584, 604004, 623488, 1013168, 1208008, 1963013, 2026336, 2416016, 3926026, 4052672, 4832032, 7852052, 8105344, 9664064, 15704104, 19328128, 31408208, 62816416, 125632832, 251265664]

約数ペア:

[(1, 251265664), (2, 125632832), (4, 62816416), (8, 31408208), (13, 19328128), (16, 15704104), (26, 9664064), (31, 8105344), (32, 7852052), (52, 4832032), (62, 4052672), (64, 3926026), (104, 2416016), (124, 2026336), (128, 1963013), (208, 1208008), (248, 1013168), (403, 623488), (416, 604004), (496, 506584), (806, 311744), (832, 302002), (992, 253292), (1612, 155872), (1664, 151001), (1984, 126646), (3224, 77936), (3968, 63323), (4871, 51584), (6448, 38968), (9742, 25792), (12896, 19484)]