77998728

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2557}}^1$

素因数の和:2638

約数の個数: 64

約数和(自身を含む): 206277120

約数和(自身を除く): 128278392

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 41, 62, 82, 93, 123, 124, 164, 186, 246, 248, 328, 372, 492, 744, 984, 1271, 2542, 2557, 3813, 5084, 5114, 7626, 7671, 10168, 10228, 15252, 15342, 20456, 30504, 30684, 61368, 79267, 104837, 158534, 209674, 237801, 314511, 317068, 419348, 475602, 629022, 634136, 838696, 951204, 1258044, 1902408, 2516088, 3249947, 6499894, 9749841, 12999788, 19499682, 25999576, 38999364, 77998728]

約数ペア:

[(1, 77998728), (2, 38999364), (3, 25999576), (4, 19499682), (6, 12999788), (8, 9749841), (12, 6499894), (24, 3249947), (31, 2516088), (41, 1902408), (62, 1258044), (82, 951204), (93, 838696), (123, 634136), (124, 629022), (164, 475602), (186, 419348), (246, 317068), (248, 314511), (328, 237801), (372, 209674), (492, 158534), (744, 104837), (984, 79267), (1271, 61368), (2542, 30684), (2557, 30504), (3813, 20456), (5084, 15342), (5114, 15252), (7626, 10228), (7671, 10168)]