181233416

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1439}}^1$

素因数の和:1638

約数の個数: 64

約数和(自身を含む): 420940800

約数和(自身を除く): 239707384

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 173, 182, 346, 364, 692, 728, 1211, 1384, 1439, 2249, 2422, 2878, 4498, 4844, 5756, 8996, 9688, 10073, 11512, 15743, 17992, 18707, 20146, 31486, 37414, 40292, 62972, 74828, 80584, 125944, 130949, 149656, 248947, 261898, 497894, 523796, 995788, 1047592, 1742629, 1991576, 3236311, 3485258, 6472622, 6970516, 12945244, 13941032, 22654177, 25890488, 45308354, 90616708, 181233416]

約数ペア:

[(1, 181233416), (2, 90616708), (4, 45308354), (7, 25890488), (8, 22654177), (13, 13941032), (14, 12945244), (26, 6970516), (28, 6472622), (52, 3485258), (56, 3236311), (91, 1991576), (104, 1742629), (173, 1047592), (182, 995788), (346, 523796), (364, 497894), (692, 261898), (728, 248947), (1211, 149656), (1384, 130949), (1439, 125944), (2249, 80584), (2422, 74828), (2878, 62972), (4498, 40292), (4844, 37414), (5756, 31486), (8996, 20146), (9688, 18707), (10073, 17992), (11512, 15743)]