331421272

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1889}}^1$

素因数の和:2156

約数の個数: 64

約数和(自身を含む): 768398400

約数和(自身を除く): 436977128

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 241, 364, 482, 728, 964, 1687, 1889, 1928, 3133, 3374, 3778, 6266, 6748, 7556, 12532, 13223, 13496, 15112, 21931, 24557, 25064, 26446, 43862, 49114, 52892, 87724, 98228, 105784, 171899, 175448, 196456, 343798, 455249, 687596, 910498, 1375192, 1820996, 3186743, 3641992, 5918237, 6373486, 11836474, 12746972, 23672948, 25493944, 41427659, 47345896, 82855318, 165710636, 331421272]

約数ペア:

[(1, 331421272), (2, 165710636), (4, 82855318), (7, 47345896), (8, 41427659), (13, 25493944), (14, 23672948), (26, 12746972), (28, 11836474), (52, 6373486), (56, 5918237), (91, 3641992), (104, 3186743), (182, 1820996), (241, 1375192), (364, 910498), (482, 687596), (728, 455249), (964, 343798), (1687, 196456), (1889, 175448), (1928, 171899), (3133, 105784), (3374, 98228), (3778, 87724), (6266, 52892), (6748, 49114), (7556, 43862), (12532, 26446), (13223, 25064), (13496, 24557), (15112, 21931)]