129655316

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:277

約数の個数: 72

約数和(自身を含む): 278562816

約数和(自身を除く): 148907500

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 101, 127, 133, 202, 254, 266, 361, 404, 508, 532, 707, 722, 889, 1414, 1444, 1778, 1919, 2413, 2527, 2828, 3556, 3838, 4826, 5054, 7676, 9652, 10108, 12827, 13433, 16891, 25654, 26866, 33782, 36461, 45847, 51308, 53732, 67564, 72922, 89789, 91694, 145844, 179578, 183388, 243713, 255227, 320929, 359156, 487426, 510454, 641858, 974852, 1020908, 1283716, 1705991, 3411982, 4630547, 6823964, 9261094, 18522188, 32413829, 64827658, 129655316]

約数ペア:

[(1, 129655316), (2, 64827658), (4, 32413829), (7, 18522188), (14, 9261094), (19, 6823964), (28, 4630547), (38, 3411982), (76, 1705991), (101, 1283716), (127, 1020908), (133, 974852), (202, 641858), (254, 510454), (266, 487426), (361, 359156), (404, 320929), (508, 255227), (532, 243713), (707, 183388), (722, 179578), (889, 145844), (1414, 91694), (1444, 89789), (1778, 72922), (1919, 67564), (2413, 53732), (2527, 51308), (2828, 45847), (3556, 36461), (3838, 33782), (4826, 26866), (5054, 25654), (7676, 16891), (9652, 13433), (10108, 12827)]