39878804

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 85075200

約数和(自身を除く): 45196396

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 199, 238, 398, 421, 476, 796, 842, 1393, 1684, 2786, 2947, 3383, 5572, 5894, 6766, 7157, 11788, 13532, 14314, 23681, 28628, 47362, 50099, 83779, 94724, 100198, 167558, 200396, 335116, 586453, 1172906, 1424243, 2345812, 2848486, 5696972, 9969701, 19939402, 39878804]

約数ペア:

[(1, 39878804), (2, 19939402), (4, 9969701), (7, 5696972), (14, 2848486), (17, 2345812), (28, 1424243), (34, 1172906), (68, 586453), (119, 335116), (199, 200396), (238, 167558), (398, 100198), (421, 94724), (476, 83779), (796, 50099), (842, 47362), (1393, 28628), (1684, 23681), (2786, 14314), (2947, 13532), (3383, 11788), (5572, 7157), (5894, 6766)]