191873409

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 326592000

約数和(自身を除く): 134718591

約数列:

[1, 3, 7, 13, 21, 39, 53, 89, 91, 149, 159, 267, 273, 371, 447, 623, 689, 1043, 1113, 1157, 1869, 1937, 2067, 3129, 3471, 4717, 4823, 5811, 7897, 8099, 13261, 13559, 14151, 14469, 23691, 24297, 33019, 39783, 40677, 55279, 61321, 92827, 99057, 102661, 165837, 172393, 183963, 278481, 307983, 429247, 517179, 702833, 718627, 1206751, 1287741, 2108499, 2155881, 3620253, 4919831, 9136829, 14759493, 27410487, 63957803, 191873409]

約数ペア:

[(1, 191873409), (3, 63957803), (7, 27410487), (13, 14759493), (21, 9136829), (39, 4919831), (53, 3620253), (89, 2155881), (91, 2108499), (149, 1287741), (159, 1206751), (267, 718627), (273, 702833), (371, 517179), (447, 429247), (623, 307983), (689, 278481), (1043, 183963), (1113, 172393), (1157, 165837), (1869, 102661), (1937, 99057), (2067, 92827), (3129, 61321), (3471, 55279), (4717, 40677), (4823, 39783), (5811, 33019), (7897, 24297), (8099, 23691), (13261, 14469), (13559, 14151)]