81551452

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 152893440

約数和(自身を除く): 71341988

約数列:

[1, 2, 4, 31, 59, 62, 71, 118, 124, 142, 157, 236, 284, 314, 628, 1829, 2201, 3658, 4189, 4402, 4867, 7316, 8378, 8804, 9263, 9734, 11147, 16756, 18526, 19468, 22294, 37052, 44588, 129859, 259718, 287153, 345557, 519436, 574306, 657673, 691114, 1148612, 1315346, 1382228, 2630692, 20387863, 40775726, 81551452]

約数ペア:

[(1, 81551452), (2, 40775726), (4, 20387863), (31, 2630692), (59, 1382228), (62, 1315346), (71, 1148612), (118, 691114), (124, 657673), (142, 574306), (157, 519436), (236, 345557), (284, 287153), (314, 259718), (628, 129859), (1829, 44588), (2201, 37052), (3658, 22294), (4189, 19468), (4402, 18526), (4867, 16756), (7316, 11147), (8378, 9734), (8804, 9263)]