29991348

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{269}}^1$

素因数の和:461

約数の個数: 72

約数和(自身を含む): 80589600

約数和(自身を除く): 50598252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 163, 171, 228, 269, 326, 342, 489, 538, 652, 684, 807, 978, 1076, 1467, 1614, 1956, 2421, 2934, 3097, 3228, 4842, 5111, 5868, 6194, 9291, 9684, 10222, 12388, 15333, 18582, 20444, 27873, 30666, 37164, 43847, 45999, 55746, 61332, 87694, 91998, 111492, 131541, 175388, 183996, 263082, 394623, 526164, 789246, 833093, 1578492, 1666186, 2499279, 3332372, 4998558, 7497837, 9997116, 14995674, 29991348]

約数ペア:

[(1, 29991348), (2, 14995674), (3, 9997116), (4, 7497837), (6, 4998558), (9, 3332372), (12, 2499279), (18, 1666186), (19, 1578492), (36, 833093), (38, 789246), (57, 526164), (76, 394623), (114, 263082), (163, 183996), (171, 175388), (228, 131541), (269, 111492), (326, 91998), (342, 87694), (489, 61332), (538, 55746), (652, 45999), (684, 43847), (807, 37164), (978, 30666), (1076, 27873), (1467, 20444), (1614, 18582), (1956, 15333), (2421, 12388), (2934, 10222), (3097, 9684), (3228, 9291), (4842, 6194), (5111, 5868)]