128903868

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{1031}}^1$

素因数の和:1215

約数の個数: 72

約数和(自身を含む): 342590976

約数和(自身を除く): 213687108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 151, 207, 276, 302, 414, 453, 604, 828, 906, 1031, 1359, 1812, 2062, 2718, 3093, 3473, 4124, 5436, 6186, 6946, 9279, 10419, 12372, 13892, 18558, 20838, 23713, 31257, 37116, 41676, 47426, 62514, 71139, 94852, 125028, 142278, 155681, 213417, 284556, 311362, 426834, 467043, 622724, 853668, 934086, 1401129, 1868172, 2802258, 3580663, 5604516, 7161326, 10741989, 14322652, 21483978, 32225967, 42967956, 64451934, 128903868]

約数ペア:

[(1, 128903868), (2, 64451934), (3, 42967956), (4, 32225967), (6, 21483978), (9, 14322652), (12, 10741989), (18, 7161326), (23, 5604516), (36, 3580663), (46, 2802258), (69, 1868172), (92, 1401129), (138, 934086), (151, 853668), (207, 622724), (276, 467043), (302, 426834), (414, 311362), (453, 284556), (604, 213417), (828, 155681), (906, 142278), (1031, 125028), (1359, 94852), (1812, 71139), (2062, 62514), (2718, 47426), (3093, 41676), (3473, 37116), (4124, 31257), (5436, 23713), (6186, 20838), (6946, 18558), (9279, 13892), (10419, 12372)]