49999404

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:276

約数の個数: 144

約数和(自身を含む): 151581696

約数和(自身を除く): 101582292

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 31, 39, 42, 49, 52, 62, 78, 84, 91, 93, 98, 124, 147, 156, 182, 186, 196, 211, 217, 273, 294, 364, 372, 403, 422, 434, 546, 588, 633, 637, 651, 806, 844, 868, 1092, 1209, 1266, 1274, 1302, 1477, 1519, 1612, 1911, 2418, 2532, 2548, 2604, 2743, 2821, 2954, 3038, 3822, 4431, 4557, 4836, 5486, 5642, 5908, 6076, 6541, 7644, 8229, 8463, 8862, 9114, 10339, 10972, 11284, 13082, 16458, 16926, 17724, 18228, 19201, 19623, 19747, 20678, 26164, 31017, 32916, 33852, 38402, 39246, 39494, 41356, 45787, 57603, 59241, 62034, 76804, 78492, 78988, 85033, 91574, 115206, 118482, 124068, 134407, 137361, 170066, 183148, 230412, 236964, 255099, 268814, 274722, 320509, 340132, 403221, 510198, 537628, 549444, 595231, 641018, 806442, 961527, 1020396, 1190462, 1282036, 1612884, 1785693, 1923054, 2380924, 3571386, 3846108, 4166617, 7142772, 8333234, 12499851, 16666468, 24999702, 49999404]

約数ペア:

[(1, 49999404), (2, 24999702), (3, 16666468), (4, 12499851), (6, 8333234), (7, 7142772), (12, 4166617), (13, 3846108), (14, 3571386), (21, 2380924), (26, 1923054), (28, 1785693), (31, 1612884), (39, 1282036), (42, 1190462), (49, 1020396), (52, 961527), (62, 806442), (78, 641018), (84, 595231), (91, 549444), (93, 537628), (98, 510198), (124, 403221), (147, 340132), (156, 320509), (182, 274722), (186, 268814), (196, 255099), (211, 236964), (217, 230412), (273, 183148), (294, 170066), (364, 137361), (372, 134407), (403, 124068), (422, 118482), (434, 115206), (546, 91574), (588, 85033), (633, 78988), (637, 78492), (651, 76804), (806, 62034), (844, 59241), (868, 57603), (1092, 45787), (1209, 41356), (1266, 39494), (1274, 39246), (1302, 38402), (1477, 33852), (1519, 32916), (1612, 31017), (1911, 26164), (2418, 20678), (2532, 19747), (2548, 19623), (2604, 19201), (2743, 18228), (2821, 17724), (2954, 16926), (3038, 16458), (3822, 13082), (4431, 11284), (4557, 10972), (4836, 10339), (5486, 9114), (5642, 8862), (5908, 8463), (6076, 8229), (6541, 7644)]