81934736

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:280

約数の個数: 80

約数和(自身を含む): 179655168

約数和(自身を除く): 97720432

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 97, 104, 124, 131, 194, 208, 248, 262, 388, 403, 496, 524, 776, 806, 1048, 1261, 1552, 1612, 1703, 2096, 2522, 3007, 3224, 3406, 4061, 5044, 6014, 6448, 6812, 8122, 10088, 12028, 12707, 13624, 16244, 20176, 24056, 25414, 27248, 32488, 39091, 48112, 50828, 52793, 64976, 78182, 101656, 105586, 156364, 165191, 203312, 211172, 312728, 330382, 393917, 422344, 625456, 660764, 787834, 844688, 1321528, 1575668, 2643056, 3151336, 5120921, 6302672, 10241842, 20483684, 40967368, 81934736]

約数ペア:

[(1, 81934736), (2, 40967368), (4, 20483684), (8, 10241842), (13, 6302672), (16, 5120921), (26, 3151336), (31, 2643056), (52, 1575668), (62, 1321528), (97, 844688), (104, 787834), (124, 660764), (131, 625456), (194, 422344), (208, 393917), (248, 330382), (262, 312728), (388, 211172), (403, 203312), (496, 165191), (524, 156364), (776, 105586), (806, 101656), (1048, 78182), (1261, 64976), (1552, 52793), (1612, 50828), (1703, 48112), (2096, 39091), (2522, 32488), (3007, 27248), (3224, 25414), (3406, 24056), (4061, 20176), (5044, 16244), (6014, 13624), (6448, 12707), (6812, 12028), (8122, 10088)]