214139905

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 326218752

約数和(自身を除く): 112078847

約数列:

[1, 5, 7, 17, 35, 37, 71, 85, 119, 137, 185, 259, 355, 497, 595, 629, 685, 959, 1207, 1295, 2329, 2485, 2627, 3145, 4403, 4795, 5069, 6035, 8449, 9727, 11645, 13135, 16303, 18389, 22015, 25345, 35483, 42245, 44659, 48635, 68089, 81515, 86173, 91945, 165359, 177415, 223295, 312613, 340445, 359899, 430865, 603211, 826795, 1157513, 1563065, 1799495, 2519293, 3016055, 5787565, 6118283, 12596465, 30591415, 42827981, 214139905]

約数ペア:

[(1, 214139905), (5, 42827981), (7, 30591415), (17, 12596465), (35, 6118283), (37, 5787565), (71, 3016055), (85, 2519293), (119, 1799495), (137, 1563065), (185, 1157513), (259, 826795), (355, 603211), (497, 430865), (595, 359899), (629, 340445), (685, 312613), (959, 223295), (1207, 177415), (1295, 165359), (2329, 91945), (2485, 86173), (2627, 81515), (3145, 68089), (4403, 48635), (4795, 44659), (5069, 42245), (6035, 35483), (8449, 25345), (9727, 22015), (11645, 18389), (13135, 16303)]