87968972

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{631}}^1$

素因数の和:1038

約数の個数: 48

約数和(自身を含む): 190267392

約数和(自身を除く): 102298420

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 383, 631, 766, 1262, 1532, 2524, 2681, 4417, 4979, 5362, 8203, 8834, 9958, 10724, 16406, 17668, 19916, 32812, 34853, 57421, 69706, 114842, 139412, 229684, 241673, 483346, 966692, 1691711, 3141749, 3383422, 6283498, 6766844, 12566996, 21992243, 43984486, 87968972]

約数ペア:

[(1, 87968972), (2, 43984486), (4, 21992243), (7, 12566996), (13, 6766844), (14, 6283498), (26, 3383422), (28, 3141749), (52, 1691711), (91, 966692), (182, 483346), (364, 241673), (383, 229684), (631, 139412), (766, 114842), (1262, 69706), (1532, 57421), (2524, 34853), (2681, 32812), (4417, 19916), (4979, 17668), (5362, 16406), (8203, 10724), (8834, 9958)]