81898752

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^2\times {\mathrm{631}}^1$

素因数の和:676

約数の個数: 108

約数和(自身を含む): 236400864

約数和(自身を除く): 154502112

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 169, 192, 208, 256, 312, 338, 384, 416, 507, 624, 631, 676, 768, 832, 1014, 1248, 1262, 1352, 1664, 1893, 2028, 2496, 2524, 2704, 3328, 3786, 4056, 4992, 5048, 5408, 7572, 8112, 8203, 9984, 10096, 10816, 15144, 16224, 16406, 20192, 21632, 24609, 30288, 32448, 32812, 40384, 43264, 49218, 60576, 64896, 65624, 80768, 98436, 106639, 121152, 129792, 131248, 161536, 196872, 213278, 242304, 262496, 319917, 393744, 426556, 484608, 524992, 639834, 787488, 853112, 1049984, 1279668, 1574976, 1706224, 2099968, 2559336, 3149952, 3412448, 5118672, 6299904, 6824896, 10237344, 13649792, 20474688, 27299584, 40949376, 81898752]

約数ペア:

[(1, 81898752), (2, 40949376), (3, 27299584), (4, 20474688), (6, 13649792), (8, 10237344), (12, 6824896), (13, 6299904), (16, 5118672), (24, 3412448), (26, 3149952), (32, 2559336), (39, 2099968), (48, 1706224), (52, 1574976), (64, 1279668), (78, 1049984), (96, 853112), (104, 787488), (128, 639834), (156, 524992), (169, 484608), (192, 426556), (208, 393744), (256, 319917), (312, 262496), (338, 242304), (384, 213278), (416, 196872), (507, 161536), (624, 131248), (631, 129792), (676, 121152), (768, 106639), (832, 98436), (1014, 80768), (1248, 65624), (1262, 64896), (1352, 60576), (1664, 49218), (1893, 43264), (2028, 40384), (2496, 32812), (2524, 32448), (2704, 30288), (3328, 24609), (3786, 21632), (4056, 20192), (4992, 16406), (5048, 16224), (5408, 15144), (7572, 10816), (8112, 10096), (8203, 9984)]