156788456

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1187}}^1$

素因数の和:1302

約数の個数: 64

約数和(自身を含む): 342144000

約数和(自身を除く): 185355544

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 79, 88, 152, 158, 209, 316, 418, 632, 836, 869, 1187, 1501, 1672, 1738, 2374, 3002, 3476, 4748, 6004, 6952, 9496, 12008, 13057, 16511, 22553, 26114, 33022, 45106, 52228, 66044, 90212, 93773, 104456, 132088, 180424, 187546, 248083, 375092, 496166, 750184, 992332, 1031503, 1781687, 1984664, 2063006, 3563374, 4126012, 7126748, 8252024, 14253496, 19598557, 39197114, 78394228, 156788456]

約数ペア:

[(1, 156788456), (2, 78394228), (4, 39197114), (8, 19598557), (11, 14253496), (19, 8252024), (22, 7126748), (38, 4126012), (44, 3563374), (76, 2063006), (79, 1984664), (88, 1781687), (152, 1031503), (158, 992332), (209, 750184), (316, 496166), (418, 375092), (632, 248083), (836, 187546), (869, 180424), (1187, 132088), (1501, 104456), (1672, 93773), (1738, 90212), (2374, 66044), (3002, 52228), (3476, 45106), (4748, 33022), (6004, 26114), (6952, 22553), (9496, 16511), (12008, 13057)]