1972291516

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{2351}}^1$

素因数の和:2471

約数の個数: 72

約数和(自身を含む): 4013198784

約数和(自身を除く): 2040907268

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 73, 146, 169, 221, 292, 338, 442, 676, 884, 949, 1241, 1898, 2351, 2482, 2873, 3796, 4702, 4964, 5746, 9404, 11492, 12337, 16133, 24674, 30563, 32266, 39967, 49348, 61126, 64532, 79934, 122252, 159868, 171623, 209729, 343246, 397319, 419458, 519571, 686492, 794638, 838916, 1039142, 1589276, 2078284, 2231099, 2917591, 4462198, 5835182, 6754423, 8924396, 11670364, 13508846, 27017692, 29004287, 37928683, 58008574, 75857366, 116017148, 151714732, 493072879, 986145758, 1972291516]

約数ペア:

[(1, 1972291516), (2, 986145758), (4, 493072879), (13, 151714732), (17, 116017148), (26, 75857366), (34, 58008574), (52, 37928683), (68, 29004287), (73, 27017692), (146, 13508846), (169, 11670364), (221, 8924396), (292, 6754423), (338, 5835182), (442, 4462198), (676, 2917591), (884, 2231099), (949, 2078284), (1241, 1589276), (1898, 1039142), (2351, 838916), (2482, 794638), (2873, 686492), (3796, 519571), (4702, 419458), (4964, 397319), (5746, 343246), (9404, 209729), (11492, 171623), (12337, 159868), (16133, 122252), (24674, 79934), (30563, 64532), (32266, 61126), (39967, 49348)]