251635696

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1553}}^1$

素因数の和:1634

約数の個数: 80

約数和(自身を含む): 566526240

約数和(自身を除く): 314890544

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 41, 52, 76, 82, 104, 152, 164, 208, 247, 304, 328, 494, 533, 656, 779, 988, 1066, 1553, 1558, 1976, 2132, 3106, 3116, 3952, 4264, 6212, 6232, 8528, 10127, 12424, 12464, 20189, 20254, 24848, 29507, 40378, 40508, 59014, 63673, 80756, 81016, 118028, 127346, 161512, 162032, 236056, 254692, 323024, 383591, 472112, 509384, 767182, 827749, 1018768, 1209787, 1534364, 1655498, 2419574, 3068728, 3310996, 4839148, 6137456, 6621992, 9678296, 13243984, 15727231, 19356592, 31454462, 62908924, 125817848, 251635696]

約数ペア:

[(1, 251635696), (2, 125817848), (4, 62908924), (8, 31454462), (13, 19356592), (16, 15727231), (19, 13243984), (26, 9678296), (38, 6621992), (41, 6137456), (52, 4839148), (76, 3310996), (82, 3068728), (104, 2419574), (152, 1655498), (164, 1534364), (208, 1209787), (247, 1018768), (304, 827749), (328, 767182), (494, 509384), (533, 472112), (656, 383591), (779, 323024), (988, 254692), (1066, 236056), (1553, 162032), (1558, 161512), (1976, 127346), (2132, 118028), (3106, 81016), (3116, 80756), (3952, 63673), (4264, 59014), (6212, 40508), (6232, 40378), (8528, 29507), (10127, 24848), (12424, 20254), (12464, 20189)]