78474578

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1987}}^1$

素因数の和:2047

約数の個数: 48

約数和(自身を含む): 152296704

約数和(自身を除く): 73822126

約数列:

[1, 2, 7, 13, 14, 26, 31, 49, 62, 91, 98, 182, 217, 403, 434, 637, 806, 1274, 1519, 1987, 2821, 3038, 3974, 5642, 13909, 19747, 25831, 27818, 39494, 51662, 61597, 97363, 123194, 180817, 194726, 361634, 431179, 800761, 862358, 1265719, 1601522, 2531438, 3018253, 5605327, 6036506, 11210654, 39237289, 78474578]

約数ペア:

[(1, 78474578), (2, 39237289), (7, 11210654), (13, 6036506), (14, 5605327), (26, 3018253), (31, 2531438), (49, 1601522), (62, 1265719), (91, 862358), (98, 800761), (182, 431179), (217, 361634), (403, 194726), (434, 180817), (637, 123194), (806, 97363), (1274, 61597), (1519, 51662), (1987, 39494), (2821, 27818), (3038, 25831), (3974, 19747), (5642, 13909)]