221809588

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1787}}^1$

素因数の和:1853

約数の個数: 96

約数和(自身を含む): 538288128

約数和(自身を除く): 316478540

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 31, 44, 52, 62, 77, 91, 124, 143, 154, 182, 217, 286, 308, 341, 364, 403, 434, 572, 682, 806, 868, 1001, 1364, 1612, 1787, 2002, 2387, 2821, 3574, 4004, 4433, 4774, 5642, 7148, 8866, 9548, 11284, 12509, 17732, 19657, 23231, 25018, 31031, 39314, 46462, 50036, 55397, 62062, 78628, 92924, 110794, 124124, 137599, 162617, 221588, 255541, 275198, 325234, 387779, 511082, 550396, 609367, 650468, 720161, 775558, 1022164, 1218734, 1440322, 1551116, 1788787, 2437468, 2880644, 3577574, 4265569, 5041127, 7155148, 7921771, 8531138, 10082254, 15843542, 17062276, 20164508, 31687084, 55452397, 110904794, 221809588]

約数ペア:

[(1, 221809588), (2, 110904794), (4, 55452397), (7, 31687084), (11, 20164508), (13, 17062276), (14, 15843542), (22, 10082254), (26, 8531138), (28, 7921771), (31, 7155148), (44, 5041127), (52, 4265569), (62, 3577574), (77, 2880644), (91, 2437468), (124, 1788787), (143, 1551116), (154, 1440322), (182, 1218734), (217, 1022164), (286, 775558), (308, 720161), (341, 650468), (364, 609367), (403, 550396), (434, 511082), (572, 387779), (682, 325234), (806, 275198), (868, 255541), (1001, 221588), (1364, 162617), (1612, 137599), (1787, 124124), (2002, 110794), (2387, 92924), (2821, 78628), (3574, 62062), (4004, 55397), (4433, 50036), (4774, 46462), (5642, 39314), (7148, 31031), (8866, 25018), (9548, 23231), (11284, 19657), (12509, 17732)]