81812874

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:196

約数の個数: 128

約数和(自身を含む): 209018880

約数和(自身を除く): 127206006

約数列:

[1, 2, 3, 6, 11, 13, 17, 22, 26, 33, 34, 39, 51, 66, 71, 78, 79, 102, 142, 143, 158, 187, 213, 221, 237, 286, 374, 426, 429, 442, 474, 561, 663, 781, 858, 869, 923, 1027, 1122, 1207, 1326, 1343, 1562, 1738, 1846, 2054, 2343, 2414, 2431, 2607, 2686, 2769, 3081, 3621, 4029, 4686, 4862, 5214, 5538, 5609, 6162, 7242, 7293, 8058, 10153, 11218, 11297, 13277, 14586, 14773, 15691, 16827, 17459, 20306, 22594, 26554, 29546, 30459, 31382, 33654, 33891, 34918, 39831, 44319, 47073, 52377, 60918, 61699, 67782, 72917, 79662, 88638, 94146, 95353, 104754, 123398, 145834, 172601, 185097, 190706, 192049, 218751, 286059, 345202, 370194, 384098, 437502, 517803, 572118, 576147, 802087, 1035606, 1048883, 1152294, 1239589, 1604174, 2097766, 2406261, 2479178, 3146649, 3718767, 4812522, 6293298, 7437534, 13635479, 27270958, 40906437, 81812874]

約数ペア:

[(1, 81812874), (2, 40906437), (3, 27270958), (6, 13635479), (11, 7437534), (13, 6293298), (17, 4812522), (22, 3718767), (26, 3146649), (33, 2479178), (34, 2406261), (39, 2097766), (51, 1604174), (66, 1239589), (71, 1152294), (78, 1048883), (79, 1035606), (102, 802087), (142, 576147), (143, 572118), (158, 517803), (187, 437502), (213, 384098), (221, 370194), (237, 345202), (286, 286059), (374, 218751), (426, 192049), (429, 190706), (442, 185097), (474, 172601), (561, 145834), (663, 123398), (781, 104754), (858, 95353), (869, 94146), (923, 88638), (1027, 79662), (1122, 72917), (1207, 67782), (1326, 61699), (1343, 60918), (1562, 52377), (1738, 47073), (1846, 44319), (2054, 39831), (2343, 34918), (2414, 33891), (2431, 33654), (2607, 31382), (2686, 30459), (2769, 29546), (3081, 26554), (3621, 22594), (4029, 20306), (4686, 17459), (4862, 16827), (5214, 15691), (5538, 14773), (5609, 14586), (6162, 13277), (7242, 11297), (7293, 11218), (8058, 10153)]