64995488

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{761}}^1$

素因数の和:945

約数の個数: 48

約数和(自身を含む): 136529064

約数和(自身を除く): 71533576

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 157, 272, 314, 544, 628, 761, 1256, 1522, 2512, 2669, 3044, 5024, 5338, 6088, 10676, 12176, 12937, 21352, 24352, 25874, 42704, 51748, 85408, 103496, 119477, 206992, 238954, 413984, 477908, 955816, 1911632, 2031109, 3823264, 4062218, 8124436, 16248872, 32497744, 64995488]

約数ペア:

[(1, 64995488), (2, 32497744), (4, 16248872), (8, 8124436), (16, 4062218), (17, 3823264), (32, 2031109), (34, 1911632), (68, 955816), (136, 477908), (157, 413984), (272, 238954), (314, 206992), (544, 119477), (628, 103496), (761, 85408), (1256, 51748), (1522, 42704), (2512, 25874), (2669, 24352), (3044, 21352), (5024, 12937), (5338, 12176), (6088, 10676)]