72217964

素因数分解:

$2^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{4049}}^1$

素因数の和:4087

約数の個数: 48

約数和(自身を含む): 158760000

約数和(自身を除く): 86542036

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 343, 364, 637, 686, 1274, 1372, 2548, 4049, 4459, 8098, 8918, 16196, 17836, 28343, 52637, 56686, 105274, 113372, 198401, 210548, 368459, 396802, 736918, 793604, 1388807, 1473836, 2579213, 2777614, 5158426, 5555228, 10316852, 18054491, 36108982, 72217964]

約数ペア:

[(1, 72217964), (2, 36108982), (4, 18054491), (7, 10316852), (13, 5555228), (14, 5158426), (26, 2777614), (28, 2579213), (49, 1473836), (52, 1388807), (91, 793604), (98, 736918), (182, 396802), (196, 368459), (343, 210548), (364, 198401), (637, 113372), (686, 105274), (1274, 56686), (1372, 52637), (2548, 28343), (4049, 17836), (4459, 16196), (8098, 8918)]