31131488

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:759

約数の個数: 48

約数和(自身を含む): 65726640

約数和(自身を除く): 34595152

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 89, 136, 178, 272, 356, 544, 643, 712, 1286, 1424, 1513, 2572, 2848, 3026, 5144, 6052, 10288, 10931, 12104, 20576, 21862, 24208, 43724, 48416, 57227, 87448, 114454, 174896, 228908, 349792, 457816, 915632, 972859, 1831264, 1945718, 3891436, 7782872, 15565744, 31131488]

約数ペア:

[(1, 31131488), (2, 15565744), (4, 7782872), (8, 3891436), (16, 1945718), (17, 1831264), (32, 972859), (34, 915632), (68, 457816), (89, 349792), (136, 228908), (178, 174896), (272, 114454), (356, 87448), (544, 57227), (643, 48416), (712, 43724), (1286, 24208), (1424, 21862), (1513, 20576), (2572, 12104), (2848, 10931), (3026, 10288), (5144, 6052)]