398990284

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{7237}}^1$

素因数の和:7438

約数の個数: 48

約数和(自身を含む): 875508480

約数和(自身を除く): 476518196

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 179, 308, 358, 716, 1253, 1969, 2506, 3938, 5012, 7237, 7876, 13783, 14474, 27566, 28948, 50659, 55132, 79607, 101318, 159214, 202636, 318428, 557249, 1114498, 1295423, 2228996, 2590846, 5181692, 9067961, 14249653, 18135922, 28499306, 36271844, 56998612, 99747571, 199495142, 398990284]

約数ペア:

[(1, 398990284), (2, 199495142), (4, 99747571), (7, 56998612), (11, 36271844), (14, 28499306), (22, 18135922), (28, 14249653), (44, 9067961), (77, 5181692), (154, 2590846), (179, 2228996), (308, 1295423), (358, 1114498), (716, 557249), (1253, 318428), (1969, 202636), (2506, 159214), (3938, 101318), (5012, 79607), (7237, 55132), (7876, 50659), (13783, 28948), (14474, 27566)]