81665408

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1871}}^1$

素因数の和:1927

約数の個数: 64

約数和(自身を含む): 183306240

約数和(自身を除く): 101640832

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 124, 128, 176, 248, 341, 352, 496, 682, 704, 992, 1364, 1408, 1871, 1984, 2728, 3742, 3968, 5456, 7484, 10912, 14968, 20581, 21824, 29936, 41162, 43648, 58001, 59872, 82324, 116002, 119744, 164648, 232004, 239488, 329296, 464008, 638011, 658592, 928016, 1276022, 1317184, 1856032, 2552044, 2634368, 3712064, 5104088, 7424128, 10208176, 20416352, 40832704, 81665408]

約数ペア:

[(1, 81665408), (2, 40832704), (4, 20416352), (8, 10208176), (11, 7424128), (16, 5104088), (22, 3712064), (31, 2634368), (32, 2552044), (44, 1856032), (62, 1317184), (64, 1276022), (88, 928016), (124, 658592), (128, 638011), (176, 464008), (248, 329296), (341, 239488), (352, 232004), (496, 164648), (682, 119744), (704, 116002), (992, 82324), (1364, 59872), (1408, 58001), (1871, 43648), (1984, 41162), (2728, 29936), (3742, 21824), (3968, 20581), (5456, 14968), (7484, 10912)]