31495878

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:223

約数の個数: 80

約数和(自身を含む): 75271680

約数和(自身を除く): 43775802

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 79, 81, 107, 138, 158, 162, 207, 214, 237, 321, 414, 474, 621, 642, 711, 963, 1242, 1422, 1817, 1863, 1926, 2133, 2461, 2889, 3634, 3726, 4266, 4922, 5451, 5778, 6399, 7383, 8453, 8667, 10902, 12798, 14766, 16353, 16906, 17334, 22149, 25359, 32706, 44298, 49059, 50718, 66447, 76077, 98118, 132894, 147177, 152154, 194419, 199341, 228231, 294354, 388838, 398682, 456462, 583257, 684693, 1166514, 1369386, 1749771, 3499542, 5249313, 10498626, 15747939, 31495878]

約数ペア:

[(1, 31495878), (2, 15747939), (3, 10498626), (6, 5249313), (9, 3499542), (18, 1749771), (23, 1369386), (27, 1166514), (46, 684693), (54, 583257), (69, 456462), (79, 398682), (81, 388838), (107, 294354), (138, 228231), (158, 199341), (162, 194419), (207, 152154), (214, 147177), (237, 132894), (321, 98118), (414, 76077), (474, 66447), (621, 50718), (642, 49059), (711, 44298), (963, 32706), (1242, 25359), (1422, 22149), (1817, 17334), (1863, 16906), (1926, 16353), (2133, 14766), (2461, 12798), (2889, 10902), (3634, 8667), (3726, 8453), (4266, 7383), (4922, 6399), (5451, 5778)]