219389612

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{1663}}^1$

素因数の和:1782

約数の個数: 48

約数和(自身を含む): 430510080

約数和(自身を除く): 211120468

約数列:

[1, 2, 4, 13, 26, 43, 52, 59, 86, 118, 172, 236, 559, 767, 1118, 1534, 1663, 2236, 2537, 3068, 3326, 5074, 6652, 10148, 21619, 32981, 43238, 65962, 71509, 86476, 98117, 131924, 143018, 196234, 286036, 392468, 929617, 1275521, 1859234, 2551042, 3718468, 4219031, 5102084, 8438062, 16876124, 54847403, 109694806, 219389612]

約数ペア:

[(1, 219389612), (2, 109694806), (4, 54847403), (13, 16876124), (26, 8438062), (43, 5102084), (52, 4219031), (59, 3718468), (86, 2551042), (118, 1859234), (172, 1275521), (236, 929617), (559, 392468), (767, 286036), (1118, 196234), (1534, 143018), (1663, 131924), (2236, 98117), (2537, 86476), (3068, 71509), (3326, 65962), (5074, 43238), (6652, 32981), (10148, 21619)]