28155834

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{619}}^1$

素因数の和:672

約数の個数: 72

約数和(自身を含む): 73700640

約数和(自身を除く): 45544806

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 361, 399, 619, 722, 798, 1083, 1197, 1238, 1857, 2166, 2394, 2527, 3249, 3714, 4333, 5054, 5571, 6498, 7581, 8666, 11142, 11761, 12999, 15162, 22743, 23522, 25998, 35283, 38997, 45486, 70566, 77994, 82327, 105849, 164654, 211698, 223459, 246981, 446918, 493962, 670377, 740943, 1340754, 1481886, 1564213, 2011131, 3128426, 4022262, 4692639, 9385278, 14077917, 28155834]

約数ペア:

[(1, 28155834), (2, 14077917), (3, 9385278), (6, 4692639), (7, 4022262), (9, 3128426), (14, 2011131), (18, 1564213), (19, 1481886), (21, 1340754), (38, 740943), (42, 670377), (57, 493962), (63, 446918), (114, 246981), (126, 223459), (133, 211698), (171, 164654), (266, 105849), (342, 82327), (361, 77994), (399, 70566), (619, 45486), (722, 38997), (798, 35283), (1083, 25998), (1197, 23522), (1238, 22743), (1857, 15162), (2166, 12999), (2394, 11761), (2527, 11142), (3249, 8666), (3714, 7581), (4333, 6498), (5054, 5571)]