71653712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{18131}}^1$

素因数の和:18171

約数の個数: 40

約数和(自身を含む): 157385760

約数和(自身を除く): 85732048

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 18131, 36262, 72524, 145048, 235703, 290096, 344489, 471406, 688978, 942812, 1377956, 1885624, 2755912, 3771248, 4478357, 5511824, 8956714, 17913428, 35826856, 71653712]

約数ペア:

[(1, 71653712), (2, 35826856), (4, 17913428), (8, 8956714), (13, 5511824), (16, 4478357), (19, 3771248), (26, 2755912), (38, 1885624), (52, 1377956), (76, 942812), (104, 688978), (152, 471406), (208, 344489), (247, 290096), (304, 235703), (494, 145048), (988, 72524), (1976, 36262), (3952, 18131)]