201447328

素因数分解:

$2^5\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:665

約数の個数: 48

約数和(自身を含む): 404092584

約数和(自身を除く): 202645256

約数列:

[1, 2, 4, 8, 16, 32, 101, 157, 202, 314, 397, 404, 628, 794, 808, 1256, 1588, 1616, 2512, 3176, 3232, 5024, 6352, 12704, 15857, 31714, 40097, 62329, 63428, 80194, 124658, 126856, 160388, 249316, 253712, 320776, 498632, 507424, 641552, 997264, 1283104, 1994528, 6295229, 12590458, 25180916, 50361832, 100723664, 201447328]

約数ペア:

[(1, 201447328), (2, 100723664), (4, 50361832), (8, 25180916), (16, 12590458), (32, 6295229), (101, 1994528), (157, 1283104), (202, 997264), (314, 641552), (397, 507424), (404, 498632), (628, 320776), (794, 253712), (808, 249316), (1256, 160388), (1588, 126856), (1616, 124658), (2512, 80194), (3176, 63428), (3232, 62329), (5024, 40097), (6352, 31714), (12704, 15857)]