15356978

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4441}}^1$

素因数の和:4482

約数の個数: 32

約数和(自身を含む): 29850240

約数和(自身を除く): 14493262

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 4441, 8882, 31087, 57733, 62174, 84379, 115466, 168758, 404131, 590653, 808262, 1096927, 1181306, 2193854, 7678489, 15356978]

約数ペア:

[(1, 15356978), (2, 7678489), (7, 2193854), (13, 1181306), (14, 1096927), (19, 808262), (26, 590653), (38, 404131), (91, 168758), (133, 115466), (182, 84379), (247, 62174), (266, 57733), (494, 31087), (1729, 8882), (3458, 4441)]