196876784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1607}}^1$

素因数の和:1678

約数の個数: 80

約数和(自身を含む): 446638080

約数和(自身を除く): 249761296

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 208, 247, 248, 304, 403, 494, 496, 589, 806, 988, 1178, 1607, 1612, 1976, 2356, 3214, 3224, 3952, 4712, 6428, 6448, 7657, 9424, 12856, 15314, 20891, 25712, 30533, 30628, 41782, 49817, 61066, 61256, 83564, 99634, 122132, 122512, 167128, 199268, 244264, 334256, 396929, 398536, 488528, 647621, 793858, 797072, 946523, 1295242, 1587716, 1893046, 2590484, 3175432, 3786092, 5180968, 6350864, 7572184, 10361936, 12304799, 15144368, 24609598, 49219196, 98438392, 196876784]

約数ペア:

[(1, 196876784), (2, 98438392), (4, 49219196), (8, 24609598), (13, 15144368), (16, 12304799), (19, 10361936), (26, 7572184), (31, 6350864), (38, 5180968), (52, 3786092), (62, 3175432), (76, 2590484), (104, 1893046), (124, 1587716), (152, 1295242), (208, 946523), (247, 797072), (248, 793858), (304, 647621), (403, 488528), (494, 398536), (496, 396929), (589, 334256), (806, 244264), (988, 199268), (1178, 167128), (1607, 122512), (1612, 122132), (1976, 99634), (2356, 83564), (3214, 61256), (3224, 61066), (3952, 49817), (4712, 41782), (6428, 30628), (6448, 30533), (7657, 25712), (9424, 20891), (12856, 15314)]