406249974

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{1609}}^1$

素因数の和:1726

約数の個数: 72

約数和(自身を含む): 965207880

約数和(自身を除く): 558957906

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 83, 117, 166, 169, 234, 249, 338, 498, 507, 747, 1014, 1079, 1494, 1521, 1609, 2158, 3042, 3218, 3237, 4827, 6474, 9654, 9711, 14027, 14481, 19422, 20917, 28054, 28962, 41834, 42081, 62751, 84162, 125502, 126243, 133547, 188253, 252486, 267094, 271921, 376506, 400641, 543842, 801282, 815763, 1201923, 1631526, 1736111, 2403846, 2447289, 3472222, 4894578, 5208333, 10416666, 15624999, 22569443, 31249998, 45138886, 67708329, 135416658, 203124987, 406249974]

約数ペア:

[(1, 406249974), (2, 203124987), (3, 135416658), (6, 67708329), (9, 45138886), (13, 31249998), (18, 22569443), (26, 15624999), (39, 10416666), (78, 5208333), (83, 4894578), (117, 3472222), (166, 2447289), (169, 2403846), (234, 1736111), (249, 1631526), (338, 1201923), (498, 815763), (507, 801282), (747, 543842), (1014, 400641), (1079, 376506), (1494, 271921), (1521, 267094), (1609, 252486), (2158, 188253), (3042, 133547), (3218, 126243), (3237, 125502), (4827, 84162), (6474, 62751), (9654, 42081), (9711, 41834), (14027, 28962), (14481, 28054), (19422, 20917)]