15121552

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{709}}^1$

素因数の和:791

約数の個数: 40

約数和(自身を含む): 30990080

約数和(自身を除く): 15868528

約数列:

[1, 2, 4, 8, 16, 31, 43, 62, 86, 124, 172, 248, 344, 496, 688, 709, 1333, 1418, 2666, 2836, 5332, 5672, 10664, 11344, 21328, 21979, 30487, 43958, 60974, 87916, 121948, 175832, 243896, 351664, 487792, 945097, 1890194, 3780388, 7560776, 15121552]

約数ペア:

[(1, 15121552), (2, 7560776), (4, 3780388), (8, 1890194), (16, 945097), (31, 487792), (43, 351664), (62, 243896), (86, 175832), (124, 121948), (172, 87916), (248, 60974), (344, 43958), (496, 30487), (688, 21979), (709, 21328), (1333, 11344), (1418, 10664), (2666, 5672), (2836, 5332)]