78401708

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{317}}^1$

素因数の和:423

約数の個数: 72

約数和(自身を含む): 175266336

約数和(自身を除く): 96864628

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 73, 77, 121, 146, 154, 242, 292, 308, 317, 484, 511, 634, 803, 847, 1022, 1268, 1606, 1694, 2044, 2219, 3212, 3388, 3487, 4438, 5621, 6974, 8833, 8876, 11242, 13948, 17666, 22484, 23141, 24409, 35332, 38357, 46282, 48818, 61831, 76714, 92564, 97636, 123662, 153428, 161987, 247324, 254551, 268499, 323974, 509102, 536998, 647948, 1018204, 1073996, 1781857, 2800061, 3563714, 5600122, 7127428, 11200244, 19600427, 39200854, 78401708]

約数ペア:

[(1, 78401708), (2, 39200854), (4, 19600427), (7, 11200244), (11, 7127428), (14, 5600122), (22, 3563714), (28, 2800061), (44, 1781857), (73, 1073996), (77, 1018204), (121, 647948), (146, 536998), (154, 509102), (242, 323974), (292, 268499), (308, 254551), (317, 247324), (484, 161987), (511, 153428), (634, 123662), (803, 97636), (847, 92564), (1022, 76714), (1268, 61831), (1606, 48818), (1694, 46282), (2044, 38357), (2219, 35332), (3212, 24409), (3388, 23141), (3487, 22484), (4438, 17666), (5621, 13948), (6974, 11242), (8833, 8876)]