81179584

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{229}}^1$

素因数の和:461

約数の個数: 56

約数和(自身を含む): 168249600

約数和(自身を除く): 87070016

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 191, 229, 232, 382, 458, 464, 764, 916, 928, 1528, 1832, 1856, 3056, 3664, 5539, 6112, 6641, 7328, 11078, 12224, 13282, 14656, 22156, 26564, 43739, 44312, 53128, 87478, 88624, 106256, 174956, 177248, 212512, 349912, 354496, 425024, 699824, 1268431, 1399648, 2536862, 2799296, 5073724, 10147448, 20294896, 40589792, 81179584]

約数ペア:

[(1, 81179584), (2, 40589792), (4, 20294896), (8, 10147448), (16, 5073724), (29, 2799296), (32, 2536862), (58, 1399648), (64, 1268431), (116, 699824), (191, 425024), (229, 354496), (232, 349912), (382, 212512), (458, 177248), (464, 174956), (764, 106256), (916, 88624), (928, 87478), (1528, 53128), (1832, 44312), (1856, 43739), (3056, 26564), (3664, 22156), (5539, 14656), (6112, 13282), (6641, 12224), (7328, 11078)]