518721476

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{4931}}^1$

素因数の和:4989

約数の個数: 72

約数和(自身を含む): 1187073216

約数和(自身を除く): 668351740

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 91, 119, 182, 221, 238, 289, 364, 442, 476, 578, 884, 1156, 1547, 2023, 3094, 3757, 4046, 4931, 6188, 7514, 8092, 9862, 15028, 19724, 26299, 34517, 52598, 64103, 69034, 83827, 105196, 128206, 138068, 167654, 256412, 335308, 448721, 586789, 897442, 1089751, 1173578, 1425059, 1794884, 2179502, 2347156, 2850118, 4359004, 5700236, 7628257, 9975413, 15256514, 18525767, 19950826, 30513028, 37051534, 39901652, 74103068, 129680369, 259360738, 518721476]

約数ペア:

[(1, 518721476), (2, 259360738), (4, 129680369), (7, 74103068), (13, 39901652), (14, 37051534), (17, 30513028), (26, 19950826), (28, 18525767), (34, 15256514), (52, 9975413), (68, 7628257), (91, 5700236), (119, 4359004), (182, 2850118), (221, 2347156), (238, 2179502), (289, 1794884), (364, 1425059), (442, 1173578), (476, 1089751), (578, 897442), (884, 586789), (1156, 448721), (1547, 335308), (2023, 256412), (3094, 167654), (3757, 138068), (4046, 128206), (4931, 105196), (6188, 83827), (7514, 69034), (8092, 64103), (9862, 52598), (15028, 34517), (19724, 26299)]