387550228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1\times {\mathrm{491}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 751012416

約数和(自身を除く): 363462188

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 353, 491, 559, 706, 982, 1118, 1412, 1964, 2236, 4589, 6383, 9178, 12766, 15179, 18356, 21113, 25532, 30358, 42226, 60716, 84452, 173323, 197327, 274469, 346646, 394654, 548938, 693292, 789308, 1097876, 2253199, 4506398, 7452889, 9012796, 14905778, 29811556, 96887557, 193775114, 387550228]

約数ペア:

[(1, 387550228), (2, 193775114), (4, 96887557), (13, 29811556), (26, 14905778), (43, 9012796), (52, 7452889), (86, 4506398), (172, 2253199), (353, 1097876), (491, 789308), (559, 693292), (706, 548938), (982, 394654), (1118, 346646), (1412, 274469), (1964, 197327), (2236, 173323), (4589, 84452), (6383, 60716), (9178, 42226), (12766, 30358), (15179, 25532), (18356, 21113)]