56428386

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:359

約数の個数: 64

約数和(自身を含む): 132710400

約数和(自身を除く): 76282014

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 127, 142, 149, 213, 254, 298, 381, 426, 447, 497, 762, 889, 894, 994, 1043, 1491, 1778, 2086, 2667, 2982, 3129, 5334, 6258, 9017, 10579, 18034, 18923, 21158, 27051, 31737, 37846, 54102, 56769, 63119, 63474, 74053, 113538, 126238, 132461, 148106, 189357, 222159, 264922, 378714, 397383, 444318, 794766, 1343533, 2687066, 4030599, 8061198, 9404731, 18809462, 28214193, 56428386]

約数ペア:

[(1, 56428386), (2, 28214193), (3, 18809462), (6, 9404731), (7, 8061198), (14, 4030599), (21, 2687066), (42, 1343533), (71, 794766), (127, 444318), (142, 397383), (149, 378714), (213, 264922), (254, 222159), (298, 189357), (381, 148106), (426, 132461), (447, 126238), (497, 113538), (762, 74053), (889, 63474), (894, 63119), (994, 56769), (1043, 54102), (1491, 37846), (1778, 31737), (2086, 27051), (2667, 21158), (2982, 18923), (3129, 18034), (5334, 10579), (6258, 9017)]