781919996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71947}}^1$

素因数の和:71994

約数の個数: 48

約数和(自身を含む): 1692216960

約数和(自身を除く): 910296964

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 76, 143, 209, 247, 286, 418, 494, 572, 836, 988, 2717, 5434, 10868, 71947, 143894, 287788, 791417, 935311, 1366993, 1582834, 1870622, 2733986, 3165668, 3741244, 5467972, 10288421, 15036923, 17770909, 20576842, 30073846, 35541818, 41153684, 60147692, 71083636, 195479999, 390959998, 781919996]

約数ペア:

[(1, 781919996), (2, 390959998), (4, 195479999), (11, 71083636), (13, 60147692), (19, 41153684), (22, 35541818), (26, 30073846), (38, 20576842), (44, 17770909), (52, 15036923), (76, 10288421), (143, 5467972), (209, 3741244), (247, 3165668), (286, 2733986), (418, 1870622), (494, 1582834), (572, 1366993), (836, 935311), (988, 791417), (2717, 287788), (5434, 143894), (10868, 71947)]