221953732

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7919}}^1$

素因数の和:7961

約数の個数: 72

約数和(自身を含む): 530893440

約数和(自身を除く): 308939708

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 77, 91, 98, 143, 154, 182, 196, 286, 308, 364, 539, 572, 637, 1001, 1078, 1274, 2002, 2156, 2548, 4004, 7007, 7919, 14014, 15838, 28028, 31676, 55433, 87109, 102947, 110866, 174218, 205894, 221732, 348436, 388031, 411788, 609763, 720629, 776062, 1132417, 1219526, 1441258, 1552124, 2264834, 2439052, 2882516, 4268341, 4529668, 5044403, 7926919, 8536682, 10088806, 15853838, 17073364, 20177612, 31707676, 55488433, 110976866, 221953732]

約数ペア:

[(1, 221953732), (2, 110976866), (4, 55488433), (7, 31707676), (11, 20177612), (13, 17073364), (14, 15853838), (22, 10088806), (26, 8536682), (28, 7926919), (44, 5044403), (49, 4529668), (52, 4268341), (77, 2882516), (91, 2439052), (98, 2264834), (143, 1552124), (154, 1441258), (182, 1219526), (196, 1132417), (286, 776062), (308, 720629), (364, 609763), (539, 411788), (572, 388031), (637, 348436), (1001, 221732), (1078, 205894), (1274, 174218), (2002, 110866), (2156, 102947), (2548, 87109), (4004, 55433), (7007, 31676), (7919, 28028), (14014, 15838)]