644006646

素因数分解:

$2^1\times 3^3\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{1013}}^1$

素因数の和:1278

約数の個数: 64

約数和(自身を含む): 1463567040

約数和(自身を除く): 819560394

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 122, 183, 193, 366, 386, 549, 579, 1013, 1098, 1158, 1647, 1737, 2026, 3039, 3294, 3474, 5211, 6078, 9117, 10422, 11773, 18234, 23546, 27351, 35319, 54702, 61793, 70638, 105957, 123586, 185379, 195509, 211914, 317871, 370758, 391018, 556137, 586527, 635742, 1112274, 1173054, 1668411, 1759581, 3336822, 3519162, 5278743, 10557486, 11926049, 23852098, 35778147, 71556294, 107334441, 214668882, 322003323, 644006646]

約数ペア:

[(1, 644006646), (2, 322003323), (3, 214668882), (6, 107334441), (9, 71556294), (18, 35778147), (27, 23852098), (54, 11926049), (61, 10557486), (122, 5278743), (183, 3519162), (193, 3336822), (366, 1759581), (386, 1668411), (549, 1173054), (579, 1112274), (1013, 635742), (1098, 586527), (1158, 556137), (1647, 391018), (1737, 370758), (2026, 317871), (3039, 211914), (3294, 195509), (3474, 185379), (5211, 123586), (6078, 105957), (9117, 70638), (10422, 61793), (11773, 54702), (18234, 35319), (23546, 27351)]