81650048

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:427

約数の個数: 64

約数和(自身を含む): 174052800

約数和(自身を除く): 92402752

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 157, 239, 272, 314, 478, 544, 628, 956, 1088, 1256, 1912, 2176, 2512, 2669, 3824, 4063, 5024, 5338, 7648, 8126, 10048, 10676, 15296, 16252, 20096, 21352, 30592, 32504, 37523, 42704, 65008, 75046, 85408, 130016, 150092, 170816, 260032, 300184, 341632, 520064, 600368, 637891, 1200736, 1275782, 2401472, 2551564, 4802944, 5103128, 10206256, 20412512, 40825024, 81650048]

約数ペア:

[(1, 81650048), (2, 40825024), (4, 20412512), (8, 10206256), (16, 5103128), (17, 4802944), (32, 2551564), (34, 2401472), (64, 1275782), (68, 1200736), (128, 637891), (136, 600368), (157, 520064), (239, 341632), (272, 300184), (314, 260032), (478, 170816), (544, 150092), (628, 130016), (956, 85408), (1088, 75046), (1256, 65008), (1912, 42704), (2176, 37523), (2512, 32504), (2669, 30592), (3824, 21352), (4063, 20096), (5024, 16252), (5338, 15296), (7648, 10676), (8126, 10048)]