215512

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:127

約数の個数: 32

約数和(自身を含む): 460800

約数和(自身を除く): 245288

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 79, 88, 124, 158, 248, 316, 341, 632, 682, 869, 1364, 1738, 2449, 2728, 3476, 4898, 6952, 9796, 19592, 26939, 53878, 107756, 215512]

約数ペア:

[(1, 215512), (2, 107756), (4, 53878), (8, 26939), (11, 19592), (22, 9796), (31, 6952), (44, 4898), (62, 3476), (79, 2728), (88, 2449), (124, 1738), (158, 1364), (248, 869), (316, 682), (341, 632)]