72180316

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1699}}^1$

素因数の和:1778

約数の個数: 48

約数和(自身を含む): 146608000

約数和(自身を除く): 74427684

約数列:

[1, 2, 4, 13, 19, 26, 38, 43, 52, 76, 86, 172, 247, 494, 559, 817, 988, 1118, 1634, 1699, 2236, 3268, 3398, 6796, 10621, 21242, 22087, 32281, 42484, 44174, 64562, 73057, 88348, 129124, 146114, 292228, 419653, 839306, 949741, 1388083, 1678612, 1899482, 2776166, 3798964, 5552332, 18045079, 36090158, 72180316]

約数ペア:

[(1, 72180316), (2, 36090158), (4, 18045079), (13, 5552332), (19, 3798964), (26, 2776166), (38, 1899482), (43, 1678612), (52, 1388083), (76, 949741), (86, 839306), (172, 419653), (247, 292228), (494, 146114), (559, 129124), (817, 88348), (988, 73057), (1118, 64562), (1634, 44174), (1699, 42484), (2236, 32281), (3268, 22087), (3398, 21242), (6796, 10621)]