31481112

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:193

約数の個数: 128

約数和(自身を含む): 91445760

約数和(自身を除く): 59964648

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 41, 46, 52, 69, 78, 82, 92, 104, 107, 123, 138, 156, 164, 184, 214, 246, 276, 299, 312, 321, 328, 428, 492, 533, 552, 598, 642, 856, 897, 943, 984, 1066, 1196, 1284, 1391, 1599, 1794, 1886, 2132, 2392, 2461, 2568, 2782, 2829, 3198, 3588, 3772, 4173, 4264, 4387, 4922, 5564, 5658, 6396, 7176, 7383, 7544, 8346, 8774, 9844, 11128, 11316, 12259, 12792, 13161, 14766, 16692, 17548, 19688, 22632, 24518, 26322, 29532, 31993, 33384, 35096, 36777, 49036, 52644, 57031, 59064, 63986, 73554, 95979, 98072, 100901, 105288, 114062, 127972, 147108, 171093, 191958, 201802, 228124, 255944, 294216, 302703, 342186, 383916, 403604, 456248, 605406, 684372, 767832, 807208, 1210812, 1311713, 1368744, 2421624, 2623426, 3935139, 5246852, 7870278, 10493704, 15740556, 31481112]

約数ペア:

[(1, 31481112), (2, 15740556), (3, 10493704), (4, 7870278), (6, 5246852), (8, 3935139), (12, 2623426), (13, 2421624), (23, 1368744), (24, 1311713), (26, 1210812), (39, 807208), (41, 767832), (46, 684372), (52, 605406), (69, 456248), (78, 403604), (82, 383916), (92, 342186), (104, 302703), (107, 294216), (123, 255944), (138, 228124), (156, 201802), (164, 191958), (184, 171093), (214, 147108), (246, 127972), (276, 114062), (299, 105288), (312, 100901), (321, 98072), (328, 95979), (428, 73554), (492, 63986), (533, 59064), (552, 57031), (598, 52644), (642, 49036), (856, 36777), (897, 35096), (943, 33384), (984, 31993), (1066, 29532), (1196, 26322), (1284, 24518), (1391, 22632), (1599, 19688), (1794, 17548), (1886, 16692), (2132, 14766), (2392, 13161), (2461, 12792), (2568, 12259), (2782, 11316), (2829, 11128), (3198, 9844), (3588, 8774), (3772, 8346), (4173, 7544), (4264, 7383), (4387, 7176), (4922, 6396), (5564, 5658)]