216906508

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:519

約数の個数: 96

約数和(自身を含む): 499251200

約数和(自身を除く): 282344692

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 79, 91, 133, 158, 182, 247, 266, 316, 364, 397, 494, 532, 553, 794, 988, 1027, 1106, 1501, 1588, 1729, 2054, 2212, 2779, 3002, 3458, 4108, 5161, 5558, 6004, 6916, 7189, 7543, 10322, 10507, 11116, 14378, 15086, 19513, 20644, 21014, 28756, 30172, 31363, 36127, 39026, 42028, 52801, 62726, 72254, 78052, 98059, 105602, 125452, 136591, 144508, 196118, 211204, 219541, 273182, 392236, 407719, 439082, 546364, 595897, 686413, 815438, 878164, 1191794, 1372826, 1630876, 2383588, 2745652, 2854033, 4171279, 5708066, 7746661, 8342558, 11416132, 15493322, 16685116, 30986644, 54226627, 108453254, 216906508]

約数ペア:

[(1, 216906508), (2, 108453254), (4, 54226627), (7, 30986644), (13, 16685116), (14, 15493322), (19, 11416132), (26, 8342558), (28, 7746661), (38, 5708066), (52, 4171279), (76, 2854033), (79, 2745652), (91, 2383588), (133, 1630876), (158, 1372826), (182, 1191794), (247, 878164), (266, 815438), (316, 686413), (364, 595897), (397, 546364), (494, 439082), (532, 407719), (553, 392236), (794, 273182), (988, 219541), (1027, 211204), (1106, 196118), (1501, 144508), (1588, 136591), (1729, 125452), (2054, 105602), (2212, 98059), (2779, 78052), (3002, 72254), (3458, 62726), (4108, 52801), (5161, 42028), (5558, 39026), (6004, 36127), (6916, 31363), (7189, 30172), (7543, 28756), (10322, 21014), (10507, 20644), (11116, 19513), (14378, 15086)]