215688418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:415

約数の個数: 64

約数和(自身を含む): 398131200

約数和(自身を除く): 182442782

約数列:

[1, 2, 11, 17, 19, 22, 34, 38, 127, 187, 209, 239, 254, 323, 374, 418, 478, 646, 1397, 2159, 2413, 2629, 2794, 3553, 4063, 4318, 4541, 4826, 5258, 7106, 8126, 9082, 23749, 26543, 30353, 41021, 44693, 47498, 49951, 53086, 60706, 77197, 82042, 89386, 99902, 154394, 333883, 451231, 516001, 576707, 667766, 849167, 902462, 1032002, 1153414, 1698334, 5676011, 6343777, 9804019, 11352022, 12687554, 19608038, 107844209, 215688418]

約数ペア:

[(1, 215688418), (2, 107844209), (11, 19608038), (17, 12687554), (19, 11352022), (22, 9804019), (34, 6343777), (38, 5676011), (127, 1698334), (187, 1153414), (209, 1032002), (239, 902462), (254, 849167), (323, 667766), (374, 576707), (418, 516001), (478, 451231), (646, 333883), (1397, 154394), (2159, 99902), (2413, 89386), (2629, 82042), (2794, 77197), (3553, 60706), (4063, 53086), (4318, 49951), (4541, 47498), (4826, 44693), (5258, 41021), (7106, 30353), (8126, 26543), (9082, 23749)]