31497488

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:324

約数の個数: 80

約数和(自身を含む): 71995392

約数和(自身を除く): 40497904

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 31, 44, 46, 62, 88, 92, 124, 176, 184, 248, 251, 253, 341, 368, 496, 502, 506, 682, 713, 1004, 1012, 1364, 1426, 2008, 2024, 2728, 2761, 2852, 4016, 4048, 5456, 5522, 5704, 5773, 7781, 7843, 11044, 11408, 11546, 15562, 15686, 22088, 23092, 31124, 31372, 44176, 46184, 62248, 62744, 63503, 85591, 92368, 124496, 125488, 127006, 171182, 178963, 254012, 342364, 357926, 508024, 684728, 715852, 1016048, 1369456, 1431704, 1968593, 2863408, 3937186, 7874372, 15748744, 31497488]

約数ペア:

[(1, 31497488), (2, 15748744), (4, 7874372), (8, 3937186), (11, 2863408), (16, 1968593), (22, 1431704), (23, 1369456), (31, 1016048), (44, 715852), (46, 684728), (62, 508024), (88, 357926), (92, 342364), (124, 254012), (176, 178963), (184, 171182), (248, 127006), (251, 125488), (253, 124496), (341, 92368), (368, 85591), (496, 63503), (502, 62744), (506, 62248), (682, 46184), (713, 44176), (1004, 31372), (1012, 31124), (1364, 23092), (1426, 22088), (2008, 15686), (2024, 15562), (2728, 11546), (2761, 11408), (2852, 11044), (4016, 7843), (4048, 7781), (5456, 5773), (5522, 5704)]