400702926

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1\times {\mathrm{251}}^1$

素因数の和:577

約数の個数: 64

約数和(自身を含む): 879572736

約数和(自身を除く): 478869810

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 97, 194, 211, 251, 291, 422, 502, 582, 633, 753, 1261, 1266, 1506, 2522, 2743, 3263, 3783, 5486, 6526, 7566, 8229, 9789, 16458, 19578, 20467, 24347, 40934, 48694, 52961, 61401, 73041, 105922, 122802, 146082, 158883, 266071, 316511, 317766, 532142, 633022, 688493, 798213, 949533, 1376986, 1596426, 1899066, 2065479, 4130958, 5137217, 10274434, 15411651, 30823302, 66783821, 133567642, 200351463, 400702926]

約数ペア:

[(1, 400702926), (2, 200351463), (3, 133567642), (6, 66783821), (13, 30823302), (26, 15411651), (39, 10274434), (78, 5137217), (97, 4130958), (194, 2065479), (211, 1899066), (251, 1596426), (291, 1376986), (422, 949533), (502, 798213), (582, 688493), (633, 633022), (753, 532142), (1261, 317766), (1266, 316511), (1506, 266071), (2522, 158883), (2743, 146082), (3263, 122802), (3783, 105922), (5486, 73041), (6526, 61401), (7566, 52961), (8229, 48694), (9789, 40934), (16458, 24347), (19578, 20467)]