1387662724

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{6709}}^1$

素因数の和:6892

約数の個数: 48

約数和(自身を含む): 2840745600

約数和(自身を除く): 1453082876

約数列:

[1, 2, 4, 7, 14, 28, 83, 89, 166, 178, 332, 356, 581, 623, 1162, 1246, 2324, 2492, 6709, 7387, 13418, 14774, 26836, 29548, 46963, 51709, 93926, 103418, 187852, 206836, 556847, 597101, 1113694, 1194202, 2227388, 2388404, 3897929, 4179707, 7795858, 8359414, 15591716, 16718828, 49559383, 99118766, 198237532, 346915681, 693831362, 1387662724]

約数ペア:

[(1, 1387662724), (2, 693831362), (4, 346915681), (7, 198237532), (14, 99118766), (28, 49559383), (83, 16718828), (89, 15591716), (166, 8359414), (178, 7795858), (332, 4179707), (356, 3897929), (581, 2388404), (623, 2227388), (1162, 1194202), (1246, 1113694), (2324, 597101), (2492, 556847), (6709, 206836), (7387, 187852), (13418, 103418), (14774, 93926), (26836, 51709), (29548, 46963)]