199143256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3251}}^1$

素因数の和:3320

約数の個数: 64

約数和(自身を含む): 437068800

約数和(自身を除く): 237925544

約数列:

[1, 2, 4, 8, 13, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 247, 248, 403, 494, 589, 806, 988, 1178, 1612, 1976, 2356, 3224, 3251, 4712, 6502, 7657, 13004, 15314, 26008, 30628, 42263, 61256, 61769, 84526, 100781, 123538, 169052, 201562, 247076, 338104, 403124, 494152, 802997, 806248, 1310153, 1605994, 1914839, 2620306, 3211988, 3829678, 5240612, 6423976, 7659356, 10481224, 15318712, 24892907, 49785814, 99571628, 199143256]

約数ペア:

[(1, 199143256), (2, 99571628), (4, 49785814), (8, 24892907), (13, 15318712), (19, 10481224), (26, 7659356), (31, 6423976), (38, 5240612), (52, 3829678), (62, 3211988), (76, 2620306), (104, 1914839), (124, 1605994), (152, 1310153), (247, 806248), (248, 802997), (403, 494152), (494, 403124), (589, 338104), (806, 247076), (988, 201562), (1178, 169052), (1612, 123538), (1976, 100781), (2356, 84526), (3224, 61769), (3251, 61256), (4712, 42263), (6502, 30628), (7657, 26008), (13004, 15314)]