1319905328

素因数分解:

$2^4\times 7^1\times {\mathrm{571}}^1\times {\mathrm{20639}}^1$

素因数の和:21225

約数の個数: 40

約数和(自身を含む): 2927907840

約数和(自身を除く): 1608002512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 571, 1142, 2284, 3997, 4568, 7994, 9136, 15988, 20639, 31976, 41278, 63952, 82556, 144473, 165112, 288946, 330224, 577892, 1155784, 2311568, 11784869, 23569738, 47139476, 82494083, 94278952, 164988166, 188557904, 329976332, 659952664, 1319905328]

約数ペア:

[(1, 1319905328), (2, 659952664), (4, 329976332), (7, 188557904), (8, 164988166), (14, 94278952), (16, 82494083), (28, 47139476), (56, 23569738), (112, 11784869), (571, 2311568), (1142, 1155784), (2284, 577892), (3997, 330224), (4568, 288946), (7994, 165112), (9136, 144473), (15988, 82556), (20639, 63952), (31976, 41278)]