81963256

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{19441}}^1$

素因数の和:19495

約数の個数: 32

約数和(自身を含む): 167978880

約数和(自身を除く): 86015624

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 527, 1054, 2108, 4216, 19441, 38882, 77764, 155528, 330497, 602671, 660994, 1205342, 1321988, 2410684, 2643976, 4821368, 10245407, 20490814, 40981628, 81963256]

約数ペア:

[(1, 81963256), (2, 40981628), (4, 20490814), (8, 10245407), (17, 4821368), (31, 2643976), (34, 2410684), (62, 1321988), (68, 1205342), (124, 660994), (136, 602671), (248, 330497), (527, 155528), (1054, 77764), (2108, 38882), (4216, 19441)]