255178924

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{631}}^1$

素因数の和:767

約数の個数: 96

約数和(自身を含む): 606477312

約数和(自身を除く): 351298388

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 101, 143, 154, 182, 202, 286, 308, 364, 404, 572, 631, 707, 1001, 1111, 1262, 1313, 1414, 2002, 2222, 2524, 2626, 2828, 4004, 4417, 4444, 5252, 6941, 7777, 8203, 8834, 9191, 13882, 14443, 15554, 16406, 17668, 18382, 27764, 28886, 31108, 32812, 36764, 48587, 57421, 57772, 63731, 90233, 97174, 101101, 114842, 127462, 180466, 194348, 202202, 229684, 254924, 360932, 404404, 446117, 631631, 701041, 828503, 892234, 1263262, 1402082, 1657006, 1784468, 2526524, 2804164, 3314012, 4907287, 5799521, 9113533, 9814574, 11599042, 18227066, 19629148, 23198084, 36454132, 63794731, 127589462, 255178924]

約数ペア:

[(1, 255178924), (2, 127589462), (4, 63794731), (7, 36454132), (11, 23198084), (13, 19629148), (14, 18227066), (22, 11599042), (26, 9814574), (28, 9113533), (44, 5799521), (52, 4907287), (77, 3314012), (91, 2804164), (101, 2526524), (143, 1784468), (154, 1657006), (182, 1402082), (202, 1263262), (286, 892234), (308, 828503), (364, 701041), (404, 631631), (572, 446117), (631, 404404), (707, 360932), (1001, 254924), (1111, 229684), (1262, 202202), (1313, 194348), (1414, 180466), (2002, 127462), (2222, 114842), (2524, 101101), (2626, 97174), (2828, 90233), (4004, 63731), (4417, 57772), (4444, 57421), (5252, 48587), (6941, 36764), (7777, 32812), (8203, 31108), (8834, 28886), (9191, 27764), (13882, 18382), (14443, 17668), (15554, 16406)]