2560194

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 7015680

約数和(自身を除く): 4455486

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 182, 189, 234, 273, 351, 378, 521, 546, 702, 819, 1042, 1563, 1638, 2457, 3126, 3647, 4689, 4914, 6773, 7294, 9378, 10941, 13546, 14067, 20319, 21882, 28134, 32823, 40638, 47411, 60957, 65646, 94822, 98469, 121914, 142233, 182871, 196938, 284466, 365742, 426699, 853398, 1280097, 2560194]

約数ペア:

[(1, 2560194), (2, 1280097), (3, 853398), (6, 426699), (7, 365742), (9, 284466), (13, 196938), (14, 182871), (18, 142233), (21, 121914), (26, 98469), (27, 94822), (39, 65646), (42, 60957), (54, 47411), (63, 40638), (78, 32823), (91, 28134), (117, 21882), (126, 20319), (182, 14067), (189, 13546), (234, 10941), (273, 9378), (351, 7294), (378, 6773), (521, 4914), (546, 4689), (702, 3647), (819, 3126), (1042, 2457), (1563, 1638)]