72217955

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{461}}^1$

素因数の和:599

約数の個数: 32

約数和(自身を含む): 97796160

約数和(自身を除く): 25578205

約数列:

[1, 5, 17, 19, 85, 95, 97, 323, 461, 485, 1615, 1649, 1843, 2305, 7837, 8245, 8759, 9215, 31331, 39185, 43795, 44717, 148903, 156655, 223585, 744515, 760189, 849623, 3800945, 4248115, 14443591, 72217955]

約数ペア:

[(1, 72217955), (5, 14443591), (17, 4248115), (19, 3800945), (85, 849623), (95, 760189), (97, 744515), (323, 223585), (461, 156655), (485, 148903), (1615, 44717), (1649, 43795), (1843, 39185), (2305, 31331), (7837, 9215), (8245, 8759)]