1640372993

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{283}}^1\times {\mathrm{727}}^1$

素因数の和:1101

約数の個数: 32

約数和(自身を含む): 2024515584

約数和(自身を除く): 384142591

約数列:

[1, 7, 17, 67, 119, 283, 469, 727, 1139, 1981, 4811, 5089, 7973, 12359, 18961, 33677, 48709, 86513, 132727, 205741, 322337, 340963, 828053, 1440187, 2256359, 3497597, 5796371, 13784647, 24483179, 96492529, 234338999, 1640372993]

約数ペア:

[(1, 1640372993), (7, 234338999), (17, 96492529), (67, 24483179), (119, 13784647), (283, 5796371), (469, 3497597), (727, 2256359), (1139, 1440187), (1981, 828053), (4811, 340963), (5089, 322337), (7973, 205741), (12359, 132727), (18961, 86513), (33677, 48709)]