31363878

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:182

約数の個数: 128

約数和(自身を含む): 85155840

約数和(自身を除く): 53791962

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 21, 26, 31, 34, 39, 42, 51, 62, 78, 91, 93, 102, 109, 119, 182, 186, 217, 218, 221, 238, 273, 327, 357, 403, 434, 442, 527, 546, 651, 654, 663, 714, 763, 806, 1054, 1209, 1302, 1326, 1417, 1526, 1547, 1581, 1853, 2289, 2418, 2821, 2834, 3094, 3162, 3379, 3689, 3706, 4251, 4578, 4641, 5559, 5642, 6758, 6851, 7378, 8463, 8502, 9282, 9919, 10137, 11067, 11118, 12971, 13702, 16926, 19838, 20274, 20553, 22134, 23653, 24089, 25942, 29757, 38913, 41106, 43927, 47306, 47957, 48178, 57443, 59514, 70959, 72267, 77826, 87854, 95914, 114886, 131781, 141918, 143871, 144534, 168623, 172329, 263562, 287742, 307489, 337246, 344658, 402101, 505869, 614978, 746759, 804202, 922467, 1011738, 1206303, 1493518, 1844934, 2240277, 2412606, 4480554, 5227313, 10454626, 15681939, 31363878]

約数ペア:

[(1, 31363878), (2, 15681939), (3, 10454626), (6, 5227313), (7, 4480554), (13, 2412606), (14, 2240277), (17, 1844934), (21, 1493518), (26, 1206303), (31, 1011738), (34, 922467), (39, 804202), (42, 746759), (51, 614978), (62, 505869), (78, 402101), (91, 344658), (93, 337246), (102, 307489), (109, 287742), (119, 263562), (182, 172329), (186, 168623), (217, 144534), (218, 143871), (221, 141918), (238, 131781), (273, 114886), (327, 95914), (357, 87854), (403, 77826), (434, 72267), (442, 70959), (527, 59514), (546, 57443), (651, 48178), (654, 47957), (663, 47306), (714, 43927), (763, 41106), (806, 38913), (1054, 29757), (1209, 25942), (1302, 24089), (1326, 23653), (1417, 22134), (1526, 20553), (1547, 20274), (1581, 19838), (1853, 16926), (2289, 13702), (2418, 12971), (2821, 11118), (2834, 11067), (3094, 10137), (3162, 9919), (3379, 9282), (3689, 8502), (3706, 8463), (4251, 7378), (4578, 6851), (4641, 6758), (5559, 5642)]