387123568

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{2347}}^1$

素因数の和:2442

約数の個数: 60

約数和(自身を含む): 825852648

約数和(自身を除く): 438729080

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 169, 208, 244, 338, 488, 676, 793, 976, 1352, 1586, 2347, 2704, 3172, 4694, 6344, 9388, 10309, 12688, 18776, 20618, 30511, 37552, 41236, 61022, 82472, 122044, 143167, 164944, 244088, 286334, 396643, 488176, 572668, 793286, 1145336, 1586572, 1861171, 2290672, 3173144, 3722342, 6346288, 7444684, 14889368, 24195223, 29778736, 48390446, 96780892, 193561784, 387123568]

約数ペア:

[(1, 387123568), (2, 193561784), (4, 96780892), (8, 48390446), (13, 29778736), (16, 24195223), (26, 14889368), (52, 7444684), (61, 6346288), (104, 3722342), (122, 3173144), (169, 2290672), (208, 1861171), (244, 1586572), (338, 1145336), (488, 793286), (676, 572668), (793, 488176), (976, 396643), (1352, 286334), (1586, 244088), (2347, 164944), (2704, 143167), (3172, 122044), (4694, 82472), (6344, 61022), (9388, 41236), (10309, 37552), (12688, 30511), (18776, 20618)]