128763726

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{2087}}^1$

素因数の和:2225

約数の個数: 64

約数和(自身を含む): 319915008

約数和(自身を除く): 191151282

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 113, 182, 226, 273, 339, 546, 678, 791, 1469, 1582, 2087, 2373, 2938, 4174, 4407, 4746, 6261, 8814, 10283, 12522, 14609, 20566, 27131, 29218, 30849, 43827, 54262, 61698, 81393, 87654, 162786, 189917, 235831, 379834, 471662, 569751, 707493, 1139502, 1414986, 1650817, 3065803, 3301634, 4952451, 6131606, 9197409, 9904902, 18394818, 21460621, 42921242, 64381863, 128763726]

約数ペア:

[(1, 128763726), (2, 64381863), (3, 42921242), (6, 21460621), (7, 18394818), (13, 9904902), (14, 9197409), (21, 6131606), (26, 4952451), (39, 3301634), (42, 3065803), (78, 1650817), (91, 1414986), (113, 1139502), (182, 707493), (226, 569751), (273, 471662), (339, 379834), (546, 235831), (678, 189917), (791, 162786), (1469, 87654), (1582, 81393), (2087, 61698), (2373, 54262), (2938, 43827), (4174, 30849), (4407, 29218), (4746, 27131), (6261, 20566), (8814, 14609), (10283, 12522)]