1279347824

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{38609}}^1$

素因数の和:38745

約数の個数: 40

約数和(自身を含む): 2633202000

約数和(自身を除く): 1353854176

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 109, 152, 218, 304, 436, 872, 1744, 2071, 4142, 8284, 16568, 33136, 38609, 77218, 154436, 308872, 617744, 733571, 1467142, 2934284, 4208381, 5868568, 8416762, 11737136, 16833524, 33667048, 67334096, 79959239, 159918478, 319836956, 639673912, 1279347824]

約数ペア:

[(1, 1279347824), (2, 639673912), (4, 319836956), (8, 159918478), (16, 79959239), (19, 67334096), (38, 33667048), (76, 16833524), (109, 11737136), (152, 8416762), (218, 5868568), (304, 4208381), (436, 2934284), (872, 1467142), (1744, 733571), (2071, 617744), (4142, 308872), (8284, 154436), (16568, 77218), (33136, 38609)]