259957128

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{373}}^1\times {\mathrm{409}}^1$

素因数の和:862

約数の個数: 64

約数和(自身を含む): 662428800

約数和(自身を除く): 402471672

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 373, 409, 426, 568, 746, 818, 852, 1119, 1227, 1492, 1636, 1704, 2238, 2454, 2984, 3272, 4476, 4908, 8952, 9816, 26483, 29039, 52966, 58078, 79449, 87117, 105932, 116156, 152557, 158898, 174234, 211864, 232312, 305114, 317796, 348468, 457671, 610228, 635592, 696936, 915342, 1220456, 1830684, 3661368, 10831547, 21663094, 32494641, 43326188, 64989282, 86652376, 129978564, 259957128]

約数ペア:

[(1, 259957128), (2, 129978564), (3, 86652376), (4, 64989282), (6, 43326188), (8, 32494641), (12, 21663094), (24, 10831547), (71, 3661368), (142, 1830684), (213, 1220456), (284, 915342), (373, 696936), (409, 635592), (426, 610228), (568, 457671), (746, 348468), (818, 317796), (852, 305114), (1119, 232312), (1227, 211864), (1492, 174234), (1636, 158898), (1704, 152557), (2238, 116156), (2454, 105932), (2984, 87117), (3272, 79449), (4476, 58078), (4908, 52966), (8952, 29039), (9816, 26483)]