31478928

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{827}}^1$

素因数の和:912

約数の個数: 80

約数和(自身を含む): 89119296

約数和(自身を除く): 57640368

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 61, 78, 104, 122, 156, 183, 208, 244, 312, 366, 488, 624, 732, 793, 827, 976, 1464, 1586, 1654, 2379, 2481, 2928, 3172, 3308, 4758, 4962, 6344, 6616, 9516, 9924, 10751, 12688, 13232, 19032, 19848, 21502, 32253, 38064, 39696, 43004, 50447, 64506, 86008, 100894, 129012, 151341, 172016, 201788, 258024, 302682, 403576, 516048, 605364, 655811, 807152, 1210728, 1311622, 1967433, 2421456, 2623244, 3934866, 5246488, 7869732, 10492976, 15739464, 31478928]

約数ペア:

[(1, 31478928), (2, 15739464), (3, 10492976), (4, 7869732), (6, 5246488), (8, 3934866), (12, 2623244), (13, 2421456), (16, 1967433), (24, 1311622), (26, 1210728), (39, 807152), (48, 655811), (52, 605364), (61, 516048), (78, 403576), (104, 302682), (122, 258024), (156, 201788), (183, 172016), (208, 151341), (244, 129012), (312, 100894), (366, 86008), (488, 64506), (624, 50447), (732, 43004), (793, 39696), (827, 38064), (976, 32253), (1464, 21502), (1586, 19848), (1654, 19032), (2379, 13232), (2481, 12688), (2928, 10751), (3172, 9924), (3308, 9516), (4758, 6616), (4962, 6344)]