181874168

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 399168000

約数和(自身を除く): 217293832

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 149, 284, 298, 307, 497, 568, 596, 614, 994, 1043, 1192, 1228, 1988, 2086, 2149, 2456, 3976, 4172, 4298, 8344, 8596, 10579, 17192, 21158, 21797, 42316, 43594, 45743, 74053, 84632, 87188, 91486, 148106, 152579, 174376, 182972, 296212, 305158, 320201, 365944, 592424, 610316, 640402, 1220632, 1280804, 2561608, 3247753, 6495506, 12991012, 22734271, 25982024, 45468542, 90937084, 181874168]

約数ペア:

[(1, 181874168), (2, 90937084), (4, 45468542), (7, 25982024), (8, 22734271), (14, 12991012), (28, 6495506), (56, 3247753), (71, 2561608), (142, 1280804), (149, 1220632), (284, 640402), (298, 610316), (307, 592424), (497, 365944), (568, 320201), (596, 305158), (614, 296212), (994, 182972), (1043, 174376), (1192, 152579), (1228, 148106), (1988, 91486), (2086, 87188), (2149, 84632), (2456, 74053), (3976, 45743), (4172, 43594), (4298, 42316), (8344, 21797), (8596, 21158), (10579, 17192)]