221908392

素因数分解:

$2^3\times 3^2\times {\mathrm{151}}^1\times {\mathrm{20411}}^1$

素因数の和:20574

約数の個数: 48

約数和(自身を含む): 605011680

約数和(自身を除く): 383103288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 151, 302, 453, 604, 906, 1208, 1359, 1812, 2718, 3624, 5436, 10872, 20411, 40822, 61233, 81644, 122466, 163288, 183699, 244932, 367398, 489864, 734796, 1469592, 3082061, 6164122, 9246183, 12328244, 18492366, 24656488, 27738549, 36984732, 55477098, 73969464, 110954196, 221908392]

約数ペア:

[(1, 221908392), (2, 110954196), (3, 73969464), (4, 55477098), (6, 36984732), (8, 27738549), (9, 24656488), (12, 18492366), (18, 12328244), (24, 9246183), (36, 6164122), (72, 3082061), (151, 1469592), (302, 734796), (453, 489864), (604, 367398), (906, 244932), (1208, 183699), (1359, 163288), (1812, 122466), (2718, 81644), (3624, 61233), (5436, 40822), (10872, 20411)]