31891002

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:180

約数の個数: 96

約数和(自身を含む): 78650880

約数和(自身を除く): 46759878

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 31, 33, 39, 62, 66, 78, 93, 109, 121, 143, 186, 218, 242, 286, 327, 341, 363, 403, 429, 654, 682, 726, 806, 858, 1023, 1199, 1209, 1417, 1573, 2046, 2398, 2418, 2834, 3146, 3379, 3597, 3751, 4251, 4433, 4719, 6758, 7194, 7502, 8502, 8866, 9438, 10137, 11253, 13189, 13299, 15587, 20274, 22506, 26378, 26598, 31174, 37169, 39567, 43927, 46761, 48763, 74338, 79134, 87854, 93522, 97526, 111507, 131781, 146289, 171457, 223014, 263562, 292578, 342914, 408859, 483197, 514371, 817718, 966394, 1028742, 1226577, 1449591, 2453154, 2899182, 5315167, 10630334, 15945501, 31891002]

約数ペア:

[(1, 31891002), (2, 15945501), (3, 10630334), (6, 5315167), (11, 2899182), (13, 2453154), (22, 1449591), (26, 1226577), (31, 1028742), (33, 966394), (39, 817718), (62, 514371), (66, 483197), (78, 408859), (93, 342914), (109, 292578), (121, 263562), (143, 223014), (186, 171457), (218, 146289), (242, 131781), (286, 111507), (327, 97526), (341, 93522), (363, 87854), (403, 79134), (429, 74338), (654, 48763), (682, 46761), (726, 43927), (806, 39567), (858, 37169), (1023, 31174), (1199, 26598), (1209, 26378), (1417, 22506), (1573, 20274), (2046, 15587), (2398, 13299), (2418, 13189), (2834, 11253), (3146, 10137), (3379, 9438), (3597, 8866), (3751, 8502), (4251, 7502), (4433, 7194), (4719, 6758)]