857142715

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{38671}}^1$

素因数の和:38731

約数の個数: 32

約数和(自身を含む): 1247404032

約数和(自身を除く): 390261317

約数列:

[1, 5, 11, 13, 31, 55, 65, 143, 155, 341, 403, 715, 1705, 2015, 4433, 22165, 38671, 193355, 425381, 502723, 1198801, 2126905, 2513615, 5529953, 5994005, 13186811, 15584413, 27649765, 65934055, 77922065, 171428543, 857142715]

約数ペア:

[(1, 857142715), (5, 171428543), (11, 77922065), (13, 65934055), (31, 27649765), (55, 15584413), (65, 13186811), (143, 5994005), (155, 5529953), (341, 2513615), (403, 2126905), (715, 1198801), (1705, 502723), (2015, 425381), (4433, 193355), (22165, 38671)]