643400448

素因数分解:

$2^8\times 3^1\times {\mathrm{331}}^1\times {\mathrm{2531}}^1$

素因数の和:2881

約数の個数: 72

約数和(自身を含む): 1718235456

約数和(自身を除く): 1074835008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 331, 384, 662, 768, 993, 1324, 1986, 2531, 2648, 3972, 5062, 5296, 7593, 7944, 10124, 10592, 15186, 15888, 20248, 21184, 30372, 31776, 40496, 42368, 60744, 63552, 80992, 84736, 121488, 127104, 161984, 242976, 254208, 323968, 485952, 647936, 837761, 971904, 1675522, 1943808, 2513283, 3351044, 5026566, 6702088, 10053132, 13404176, 20106264, 26808352, 40212528, 53616704, 80425056, 107233408, 160850112, 214466816, 321700224, 643400448]

約数ペア:

[(1, 643400448), (2, 321700224), (3, 214466816), (4, 160850112), (6, 107233408), (8, 80425056), (12, 53616704), (16, 40212528), (24, 26808352), (32, 20106264), (48, 13404176), (64, 10053132), (96, 6702088), (128, 5026566), (192, 3351044), (256, 2513283), (331, 1943808), (384, 1675522), (662, 971904), (768, 837761), (993, 647936), (1324, 485952), (1986, 323968), (2531, 254208), (2648, 242976), (3972, 161984), (5062, 127104), (5296, 121488), (7593, 84736), (7944, 80992), (10124, 63552), (10592, 60744), (15186, 42368), (15888, 40496), (20248, 31776), (21184, 30372)]