51319268

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1831}}^1$

素因数の和:1873

約数の個数: 72

約数和(自身を含む): 122802624

約数和(自身を除く): 71483356

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 77, 91, 98, 143, 154, 182, 196, 286, 308, 364, 539, 572, 637, 1001, 1078, 1274, 1831, 2002, 2156, 2548, 3662, 4004, 7007, 7324, 12817, 14014, 20141, 23803, 25634, 28028, 40282, 47606, 51268, 80564, 89719, 95212, 140987, 166621, 179438, 261833, 281974, 333242, 358876, 523666, 563948, 666484, 986909, 1047332, 1166347, 1832831, 1973818, 2332694, 3665662, 3947636, 4665388, 7331324, 12829817, 25659634, 51319268]

約数ペア:

[(1, 51319268), (2, 25659634), (4, 12829817), (7, 7331324), (11, 4665388), (13, 3947636), (14, 3665662), (22, 2332694), (26, 1973818), (28, 1832831), (44, 1166347), (49, 1047332), (52, 986909), (77, 666484), (91, 563948), (98, 523666), (143, 358876), (154, 333242), (182, 281974), (196, 261833), (286, 179438), (308, 166621), (364, 140987), (539, 95212), (572, 89719), (637, 80564), (1001, 51268), (1078, 47606), (1274, 40282), (1831, 28028), (2002, 25634), (2156, 23803), (2548, 20141), (3662, 14014), (4004, 12817), (7007, 7324)]