2808260.00000000

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1$

素因数の和:709

約数の個数: 72

約数和(自身を含む): 66562776

約数和(自身を除く): 37930900

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 49, 52, 68, 91, 98, 119, 182, 196, 221, 238, 364, 442, 476, 637, 661, 833, 884, 1274, 1322, 1547, 1666, 2548, 2644, 3094, 3332, 4627, 6188, 8593, 9254, 10829, 11237, 17186, 18508, 21658, 22474, 32389, 34372, 43316, 44948, 60151, 64778, 78659, 120302, 129556, 146081, 157318, 240604, 292162, 314636, 421057, 550613, 584324, 842114, 1022567, 1101226, 1684228, 2045134, 2202452, 4090268, 7157969, 14315938, 28631876]

約数ペア:

[(1, 28631876), (2, 14315938), (4, 7157969), (7, 4090268), (13, 2202452), (14, 2045134), (17, 1684228), (26, 1101226), (28, 1022567), (34, 842114), (49, 584324), (52, 550613), (68, 421057), (91, 314636), (98, 292162), (119, 240604), (182, 157318), (196, 146081), (221, 129556), (238, 120302), (364, 78659), (442, 64778), (476, 60151), (637, 44948), (661, 43316), (833, 34372), (884, 32389), (1274, 22474), (1322, 21658), (1547, 18508), (1666, 17186), (2548, 11237), (2644, 10829), (3094, 9254), (3332, 8593), (4627, 6188)]