65621290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{853}}^1$

素因数の和:1031

約数の個数: 48

約数和(自身を含む): 138440232

約数和(自身を除く): 72818942

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 157, 245, 314, 490, 785, 853, 1099, 1570, 1706, 2198, 4265, 5495, 5971, 7693, 8530, 10990, 11942, 15386, 29855, 38465, 41797, 59710, 76930, 83594, 133921, 208985, 267842, 417970, 669605, 937447, 1339210, 1874894, 4687235, 6562129, 9374470, 13124258, 32810645, 65621290]

約数ペア:

[(1, 65621290), (2, 32810645), (5, 13124258), (7, 9374470), (10, 6562129), (14, 4687235), (35, 1874894), (49, 1339210), (70, 937447), (98, 669605), (157, 417970), (245, 267842), (314, 208985), (490, 133921), (785, 83594), (853, 76930), (1099, 59710), (1570, 41797), (1706, 38465), (2198, 29855), (4265, 15386), (5495, 11942), (5971, 10990), (7693, 8530)]