2531551165

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{607}}^1$

素因数の和:962

約数の個数: 64

約数和(自身を含む): 3775242240

約数和(自身を除く): 1243691075

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 143, 209, 247, 307, 607, 715, 1045, 1235, 1535, 2717, 3035, 3377, 3991, 5833, 6677, 7891, 11533, 13585, 16885, 19955, 29165, 33385, 39455, 43901, 57665, 64163, 75829, 86801, 126863, 149929, 186349, 219505, 320815, 379145, 434005, 634315, 749645, 834119, 931745, 1649219, 2049839, 2422537, 3540631, 4170595, 8246095, 10249195, 12112685, 17703155, 26647907, 38946941, 46028203, 133239535, 194734705, 230141015, 506310233, 2531551165]

約数ペア:

[(1, 2531551165), (5, 506310233), (11, 230141015), (13, 194734705), (19, 133239535), (55, 46028203), (65, 38946941), (95, 26647907), (143, 17703155), (209, 12112685), (247, 10249195), (307, 8246095), (607, 4170595), (715, 3540631), (1045, 2422537), (1235, 2049839), (1535, 1649219), (2717, 931745), (3035, 834119), (3377, 749645), (3991, 634315), (5833, 434005), (6677, 379145), (7891, 320815), (11533, 219505), (13585, 186349), (16885, 149929), (19955, 126863), (29165, 86801), (33385, 75829), (39455, 64163), (43901, 57665)]