28538766

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{587}}^1$

素因数の和:705

約数の個数: 48

約数和(自身を含む): 64484784

約数和(自身を除く): 35946018

約数列:

[1, 2, 3, 6, 9, 18, 37, 73, 74, 111, 146, 219, 222, 333, 438, 587, 657, 666, 1174, 1314, 1761, 2701, 3522, 5283, 5402, 8103, 10566, 16206, 21719, 24309, 42851, 43438, 48618, 65157, 85702, 128553, 130314, 195471, 257106, 385659, 390942, 771318, 1585487, 3170974, 4756461, 9512922, 14269383, 28538766]

約数ペア:

[(1, 28538766), (2, 14269383), (3, 9512922), (6, 4756461), (9, 3170974), (18, 1585487), (37, 771318), (73, 390942), (74, 385659), (111, 257106), (146, 195471), (219, 130314), (222, 128553), (333, 85702), (438, 65157), (587, 48618), (657, 43438), (666, 42851), (1174, 24309), (1314, 21719), (1761, 16206), (2701, 10566), (3522, 8103), (5283, 5402)]