618904585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 870041088

約数和(自身を除く): 251136503

約数列:

[1, 5, 13, 23, 53, 65, 73, 107, 115, 265, 299, 365, 535, 689, 949, 1219, 1391, 1495, 1679, 2461, 3445, 3869, 4745, 5671, 6095, 6955, 7811, 8395, 12305, 15847, 19345, 21827, 28355, 31993, 39055, 50297, 73723, 79235, 88987, 101543, 109135, 130433, 159965, 179653, 251485, 368615, 413983, 444935, 507715, 652165, 898265, 1156831, 1695629, 2069915, 2335489, 5381779, 5784155, 8478145, 9521609, 11677445, 26908895, 47608045, 123780917, 618904585]

約数ペア:

[(1, 618904585), (5, 123780917), (13, 47608045), (23, 26908895), (53, 11677445), (65, 9521609), (73, 8478145), (107, 5784155), (115, 5381779), (265, 2335489), (299, 2069915), (365, 1695629), (535, 1156831), (689, 898265), (949, 652165), (1219, 507715), (1391, 444935), (1495, 413983), (1679, 368615), (2461, 251485), (3445, 179653), (3869, 159965), (4745, 130433), (5671, 109135), (6095, 101543), (6955, 88987), (7811, 79235), (8395, 73723), (12305, 50297), (15847, 39055), (19345, 31993), (21827, 28355)]