257208736

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{1033}}^1$

素因数の和:1325

約数の個数: 48

約数和(自身を含む): 525305088

約数和(自身を除く): 268096352

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 251, 496, 502, 992, 1004, 1033, 2008, 2066, 4016, 4132, 7781, 8032, 8264, 15562, 16528, 31124, 32023, 33056, 62248, 64046, 124496, 128092, 248992, 256184, 259283, 512368, 518566, 1024736, 1037132, 2074264, 4148528, 8037773, 8297056, 16075546, 32151092, 64302184, 128604368, 257208736]

約数ペア:

[(1, 257208736), (2, 128604368), (4, 64302184), (8, 32151092), (16, 16075546), (31, 8297056), (32, 8037773), (62, 4148528), (124, 2074264), (248, 1037132), (251, 1024736), (496, 518566), (502, 512368), (992, 259283), (1004, 256184), (1033, 248992), (2008, 128092), (2066, 124496), (4016, 64046), (4132, 62248), (7781, 33056), (8032, 32023), (8264, 31124), (15562, 16528)]