28177688

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 66528000

約数和(自身を除く): 38350312

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 149, 154, 298, 307, 308, 596, 614, 616, 1043, 1192, 1228, 1639, 2086, 2149, 2456, 3278, 3377, 4172, 4298, 6556, 6754, 8344, 8596, 11473, 13112, 13508, 17192, 22946, 23639, 27016, 45743, 45892, 47278, 91486, 91784, 94556, 182972, 189112, 320201, 365944, 503173, 640402, 1006346, 1280804, 2012692, 2561608, 3522211, 4025384, 7044422, 14088844, 28177688]

約数ペア:

[(1, 28177688), (2, 14088844), (4, 7044422), (7, 4025384), (8, 3522211), (11, 2561608), (14, 2012692), (22, 1280804), (28, 1006346), (44, 640402), (56, 503173), (77, 365944), (88, 320201), (149, 189112), (154, 182972), (298, 94556), (307, 91784), (308, 91486), (596, 47278), (614, 45892), (616, 45743), (1043, 27016), (1192, 23639), (1228, 22946), (1639, 17192), (2086, 13508), (2149, 13112), (2456, 11473), (3278, 8596), (3377, 8344), (4172, 6754), (4298, 6556)]