388344008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2347}}^1$

素因数の和:2446

約数の個数: 64

約数和(自身を含む): 824429760

約数和(自身を除く): 436085752

約数列:

[1, 2, 4, 8, 13, 26, 37, 43, 52, 74, 86, 104, 148, 172, 296, 344, 481, 559, 962, 1118, 1591, 1924, 2236, 2347, 3182, 3848, 4472, 4694, 6364, 9388, 12728, 18776, 20683, 30511, 41366, 61022, 82732, 86839, 100921, 122044, 165464, 173678, 201842, 244088, 347356, 403684, 694712, 807368, 1128907, 1311973, 2257814, 2623946, 3734077, 4515628, 5247892, 7468154, 9031256, 10495784, 14936308, 29872616, 48543001, 97086002, 194172004, 388344008]

約数ペア:

[(1, 388344008), (2, 194172004), (4, 97086002), (8, 48543001), (13, 29872616), (26, 14936308), (37, 10495784), (43, 9031256), (52, 7468154), (74, 5247892), (86, 4515628), (104, 3734077), (148, 2623946), (172, 2257814), (296, 1311973), (344, 1128907), (481, 807368), (559, 694712), (962, 403684), (1118, 347356), (1591, 244088), (1924, 201842), (2236, 173678), (2347, 165464), (3182, 122044), (3848, 100921), (4472, 86839), (4694, 82732), (6364, 61022), (9388, 41366), (12728, 30511), (18776, 20683)]