28283684

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{251}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 58677696

約数和(自身を除く): 30394012

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 197, 251, 286, 394, 502, 572, 788, 1004, 2167, 2561, 2761, 3263, 4334, 5122, 5522, 6526, 8668, 10244, 11044, 13052, 28171, 35893, 49447, 56342, 71786, 98894, 112684, 143572, 197788, 543917, 642811, 1087834, 1285622, 2175668, 2571244, 7070921, 14141842, 28283684]

約数ペア:

[(1, 28283684), (2, 14141842), (4, 7070921), (11, 2571244), (13, 2175668), (22, 1285622), (26, 1087834), (44, 642811), (52, 543917), (143, 197788), (197, 143572), (251, 112684), (286, 98894), (394, 71786), (502, 56342), (572, 49447), (788, 35893), (1004, 28171), (2167, 13052), (2561, 11044), (2761, 10244), (3263, 8668), (4334, 6526), (5122, 5522)]