638282652

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{39371}}^1$

素因数の和:39578

約数の個数: 48

約数和(自身を含む): 1710949632

約数和(自身を除く): 1072666980

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 193, 386, 579, 772, 1158, 1351, 2316, 2702, 4053, 5404, 8106, 16212, 39371, 78742, 118113, 157484, 236226, 275597, 472452, 551194, 826791, 1102388, 1653582, 3307164, 7598603, 15197206, 22795809, 30394412, 45591618, 53190221, 91183236, 106380442, 159570663, 212760884, 319141326, 638282652]

約数ペア:

[(1, 638282652), (2, 319141326), (3, 212760884), (4, 159570663), (6, 106380442), (7, 91183236), (12, 53190221), (14, 45591618), (21, 30394412), (28, 22795809), (42, 15197206), (84, 7598603), (193, 3307164), (386, 1653582), (579, 1102388), (772, 826791), (1158, 551194), (1351, 472452), (2316, 275597), (2702, 236226), (4053, 157484), (5404, 118113), (8106, 78742), (16212, 39371)]