81837636

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:261

約数の個数: 96

約数和(自身を含む): 210672000

約数和(自身を除く): 128834364

約数列:

[1, 2, 3, 4, 6, 12, 19, 37, 38, 57, 74, 76, 89, 109, 111, 114, 148, 178, 218, 222, 228, 267, 327, 356, 436, 444, 534, 654, 703, 1068, 1308, 1406, 1691, 2071, 2109, 2812, 3293, 3382, 4033, 4142, 4218, 5073, 6213, 6586, 6764, 8066, 8284, 8436, 9701, 9879, 10146, 12099, 12426, 13172, 16132, 19402, 19758, 20292, 24198, 24852, 29103, 38804, 39516, 48396, 58206, 62567, 76627, 116412, 125134, 153254, 184319, 187701, 229881, 250268, 306508, 358937, 368638, 375402, 459762, 552957, 717874, 737276, 750804, 919524, 1076811, 1105914, 1435748, 2153622, 2211828, 4307244, 6819803, 13639606, 20459409, 27279212, 40918818, 81837636]

約数ペア:

[(1, 81837636), (2, 40918818), (3, 27279212), (4, 20459409), (6, 13639606), (12, 6819803), (19, 4307244), (37, 2211828), (38, 2153622), (57, 1435748), (74, 1105914), (76, 1076811), (89, 919524), (109, 750804), (111, 737276), (114, 717874), (148, 552957), (178, 459762), (218, 375402), (222, 368638), (228, 358937), (267, 306508), (327, 250268), (356, 229881), (436, 187701), (444, 184319), (534, 153254), (654, 125134), (703, 116412), (1068, 76627), (1308, 62567), (1406, 58206), (1691, 48396), (2071, 39516), (2109, 38804), (2812, 29103), (3293, 24852), (3382, 24198), (4033, 20292), (4142, 19758), (4218, 19402), (5073, 16132), (6213, 13172), (6586, 12426), (6764, 12099), (8066, 10146), (8284, 9879), (8436, 9701)]