181972945

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 286064640

約数和(自身を除く): 104091695

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 79, 155, 193, 217, 341, 385, 395, 553, 869, 965, 1085, 1351, 1705, 2123, 2387, 2449, 2765, 4345, 5983, 6083, 6755, 10615, 11935, 12245, 14861, 15247, 17143, 26939, 29915, 30415, 41881, 65813, 74305, 76235, 85715, 106729, 134695, 167717, 188573, 209405, 329065, 460691, 472657, 533645, 838585, 942865, 1174019, 2303455, 2363285, 3308599, 5199227, 5870095, 16542995, 25996135, 36394589, 181972945]

約数ペア:

[(1, 181972945), (5, 36394589), (7, 25996135), (11, 16542995), (31, 5870095), (35, 5199227), (55, 3308599), (77, 2363285), (79, 2303455), (155, 1174019), (193, 942865), (217, 838585), (341, 533645), (385, 472657), (395, 460691), (553, 329065), (869, 209405), (965, 188573), (1085, 167717), (1351, 134695), (1705, 106729), (2123, 85715), (2387, 76235), (2449, 74305), (2765, 65813), (4345, 41881), (5983, 30415), (6083, 29915), (6755, 26939), (10615, 17143), (11935, 15247), (12245, 14861)]