918398416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1\times {\mathrm{367}}^1$

素因数の和:668

約数の個数: 80

約数和(自身を含む): 1966374144

約数和(自身を除く): 1047975728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 208, 212, 227, 367, 424, 454, 689, 734, 848, 908, 1378, 1468, 1816, 2756, 2936, 2951, 3632, 4771, 5512, 5872, 5902, 9542, 11024, 11804, 12031, 19084, 19451, 23608, 24062, 38168, 38902, 47216, 48124, 76336, 77804, 83309, 96248, 155608, 156403, 166618, 192496, 252863, 311216, 312806, 333236, 505726, 625612, 666472, 1011452, 1083017, 1251224, 1332944, 2022904, 2166034, 2502448, 4045808, 4332068, 4415377, 8664136, 8830754, 17328272, 17661508, 35323016, 57399901, 70646032, 114799802, 229599604, 459199208, 918398416]

約数ペア:

[(1, 918398416), (2, 459199208), (4, 229599604), (8, 114799802), (13, 70646032), (16, 57399901), (26, 35323016), (52, 17661508), (53, 17328272), (104, 8830754), (106, 8664136), (208, 4415377), (212, 4332068), (227, 4045808), (367, 2502448), (424, 2166034), (454, 2022904), (689, 1332944), (734, 1251224), (848, 1083017), (908, 1011452), (1378, 666472), (1468, 625612), (1816, 505726), (2756, 333236), (2936, 312806), (2951, 311216), (3632, 252863), (4771, 192496), (5512, 166618), (5872, 156403), (5902, 155608), (9542, 96248), (11024, 83309), (11804, 77804), (12031, 76336), (19084, 48124), (19451, 47216), (23608, 38902), (24062, 38168)]