28785684

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{503}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 71124480

約数和(自身を除く): 42338796

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 251, 502, 503, 753, 1004, 1006, 1506, 1509, 2012, 3012, 3018, 4769, 6036, 9538, 9557, 14307, 19076, 19114, 28614, 28671, 38228, 57228, 57342, 114684, 126253, 252506, 378759, 505012, 757518, 1515036, 2398807, 4797614, 7196421, 9595228, 14392842, 28785684]

約数ペア:

[(1, 28785684), (2, 14392842), (3, 9595228), (4, 7196421), (6, 4797614), (12, 2398807), (19, 1515036), (38, 757518), (57, 505012), (76, 378759), (114, 252506), (228, 126253), (251, 114684), (502, 57342), (503, 57228), (753, 38228), (1004, 28671), (1006, 28614), (1506, 19114), (1509, 19076), (2012, 14307), (3012, 9557), (3018, 9538), (4769, 6036)]