16408940319

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1\times {\mathrm{647}}^1$

素因数の和:1164

約数の個数: 48

約数和(自身を含む): 24347651328

約数和(自身を除く): 7938711009

約数列:

[1, 3, 9, 67, 137, 201, 307, 411, 603, 647, 921, 1233, 1941, 2763, 5823, 9179, 20569, 27537, 42059, 43349, 61707, 82611, 88639, 126177, 130047, 185121, 198629, 265917, 378531, 390141, 595887, 797751, 1787661, 2817953, 5938813, 8453859, 13308143, 17816439, 25361577, 27212173, 39924429, 53449317, 81636519, 119773287, 244909557, 1823215591, 5469646773, 16408940319]

約数ペア:

[(1, 16408940319), (3, 5469646773), (9, 1823215591), (67, 244909557), (137, 119773287), (201, 81636519), (307, 53449317), (411, 39924429), (603, 27212173), (647, 25361577), (921, 17816439), (1233, 13308143), (1941, 8453859), (2763, 5938813), (5823, 2817953), (9179, 1787661), (20569, 797751), (27537, 595887), (42059, 390141), (43349, 378531), (61707, 265917), (82611, 198629), (88639, 185121), (126177, 130047)]