861698816

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{9871}}^1$

素因数の和:9929

約数の個数: 72

約数和(自身を含む): 1937123328

約数和(自身を除く): 1075424512

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 124, 128, 176, 248, 256, 341, 352, 496, 682, 704, 992, 1364, 1408, 1984, 2728, 2816, 3968, 5456, 7936, 9871, 10912, 19742, 21824, 39484, 43648, 78968, 87296, 108581, 157936, 217162, 306001, 315872, 434324, 612002, 631744, 868648, 1224004, 1263488, 1737296, 2448008, 2526976, 3366011, 3474592, 4896016, 6732022, 6949184, 9792032, 13464044, 13898368, 19584064, 26928088, 27796736, 39168128, 53856176, 78336256, 107712352, 215424704, 430849408, 861698816]

約数ペア:

[(1, 861698816), (2, 430849408), (4, 215424704), (8, 107712352), (11, 78336256), (16, 53856176), (22, 39168128), (31, 27796736), (32, 26928088), (44, 19584064), (62, 13898368), (64, 13464044), (88, 9792032), (124, 6949184), (128, 6732022), (176, 4896016), (248, 3474592), (256, 3366011), (341, 2526976), (352, 2448008), (496, 1737296), (682, 1263488), (704, 1224004), (992, 868648), (1364, 631744), (1408, 612002), (1984, 434324), (2728, 315872), (2816, 306001), (3968, 217162), (5456, 157936), (7936, 108581), (9871, 87296), (10912, 78968), (19742, 43648), (21824, 39484)]