31809932

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 71947680

約数和(自身を除く): 40137748

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 41, 44, 77, 82, 121, 154, 164, 229, 242, 287, 308, 451, 458, 484, 574, 847, 902, 916, 1148, 1603, 1694, 1804, 2519, 3157, 3206, 3388, 4961, 5038, 6314, 6412, 9389, 9922, 10076, 12628, 17633, 18778, 19844, 27709, 34727, 35266, 37556, 55418, 65723, 69454, 70532, 103279, 110836, 131446, 138908, 193963, 206558, 262892, 387926, 413116, 722953, 775852, 1136069, 1445906, 2272138, 2891812, 4544276, 7952483, 15904966, 31809932]

約数ペア:

[(1, 31809932), (2, 15904966), (4, 7952483), (7, 4544276), (11, 2891812), (14, 2272138), (22, 1445906), (28, 1136069), (41, 775852), (44, 722953), (77, 413116), (82, 387926), (121, 262892), (154, 206558), (164, 193963), (229, 138908), (242, 131446), (287, 110836), (308, 103279), (451, 70532), (458, 69454), (484, 65723), (574, 55418), (847, 37556), (902, 35266), (916, 34727), (1148, 27709), (1603, 19844), (1694, 18778), (1804, 17633), (2519, 12628), (3157, 10076), (3206, 9922), (3388, 9389), (4961, 6412), (5038, 6314)]