31131386

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 61326720

約数和(自身を除く): 30195334

約数列:

[1, 2, 11, 13, 17, 19, 22, 26, 34, 38, 143, 187, 209, 221, 247, 286, 323, 337, 374, 418, 442, 494, 646, 674, 2431, 2717, 3553, 3707, 4199, 4381, 4862, 5434, 5729, 6403, 7106, 7414, 8398, 8762, 11458, 12806, 46189, 48191, 63019, 70433, 74477, 83239, 92378, 96382, 108851, 126038, 140866, 148954, 166478, 217702, 819247, 915629, 1197361, 1415063, 1638494, 1831258, 2394722, 2830126, 15565693, 31131386]

約数ペア:

[(1, 31131386), (2, 15565693), (11, 2830126), (13, 2394722), (17, 1831258), (19, 1638494), (22, 1415063), (26, 1197361), (34, 915629), (38, 819247), (143, 217702), (187, 166478), (209, 148954), (221, 140866), (247, 126038), (286, 108851), (323, 96382), (337, 92378), (374, 83239), (418, 74477), (442, 70433), (494, 63019), (646, 48191), (674, 46189), (2431, 12806), (2717, 11458), (3553, 8762), (3707, 8398), (4199, 7414), (4381, 7106), (4862, 6403), (5434, 5729)]