161771358

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2777}}^1$

素因数の和:2881

約数の個数: 64

約数和(自身を含む): 394698240

約数和(自身を除く): 232926882

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 73, 114, 133, 146, 219, 266, 399, 438, 511, 798, 1022, 1387, 1533, 2774, 2777, 3066, 4161, 5554, 8322, 8331, 9709, 16662, 19418, 19439, 29127, 38878, 52763, 58254, 58317, 105526, 116634, 158289, 202721, 316578, 369341, 405442, 608163, 738682, 1108023, 1216326, 1419047, 2216046, 2838094, 3851699, 4257141, 7703398, 8514282, 11555097, 23110194, 26961893, 53923786, 80885679, 161771358]

約数ペア:

[(1, 161771358), (2, 80885679), (3, 53923786), (6, 26961893), (7, 23110194), (14, 11555097), (19, 8514282), (21, 7703398), (38, 4257141), (42, 3851699), (57, 2838094), (73, 2216046), (114, 1419047), (133, 1216326), (146, 1108023), (219, 738682), (266, 608163), (399, 405442), (438, 369341), (511, 316578), (798, 202721), (1022, 158289), (1387, 116634), (1533, 105526), (2774, 58317), (2777, 58254), (3066, 52763), (4161, 38878), (5554, 29127), (8322, 19439), (8331, 19418), (9709, 16662)]