28809664

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1117}}^1$

素因数の和:1173

約数の個数: 56

約数和(自身を含む): 63609728

約数和(自身を除く): 34800064

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 208, 248, 403, 416, 496, 806, 832, 992, 1117, 1612, 1984, 2234, 3224, 4468, 6448, 8936, 12896, 14521, 17872, 25792, 29042, 34627, 35744, 58084, 69254, 71488, 116168, 138508, 232336, 277016, 450151, 464672, 554032, 900302, 929344, 1108064, 1800604, 2216128, 3601208, 7202416, 14404832, 28809664]

約数ペア:

[(1, 28809664), (2, 14404832), (4, 7202416), (8, 3601208), (13, 2216128), (16, 1800604), (26, 1108064), (31, 929344), (32, 900302), (52, 554032), (62, 464672), (64, 450151), (104, 277016), (124, 232336), (208, 138508), (248, 116168), (403, 71488), (416, 69254), (496, 58084), (806, 35744), (832, 34627), (992, 29042), (1117, 25792), (1612, 17872), (1984, 14521), (2234, 12896), (3224, 8936), (4468, 6448)]