400493236

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{7867}}^1$

素因数の和:7984

約数の個数: 48

約数和(自身を含む): 832749120

約数和(自身を除く): 432255884

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 89, 143, 178, 286, 356, 572, 979, 1157, 1958, 2314, 3916, 4628, 7867, 12727, 15734, 25454, 31468, 50908, 86537, 102271, 173074, 204542, 346148, 409084, 700163, 1124981, 1400326, 2249962, 2800652, 4499924, 7701793, 9102119, 15403586, 18204238, 30807172, 36408476, 100123309, 200246618, 400493236]

約数ペア:

[(1, 400493236), (2, 200246618), (4, 100123309), (11, 36408476), (13, 30807172), (22, 18204238), (26, 15403586), (44, 9102119), (52, 7701793), (89, 4499924), (143, 2800652), (178, 2249962), (286, 1400326), (356, 1124981), (572, 700163), (979, 409084), (1157, 346148), (1958, 204542), (2314, 173074), (3916, 102271), (4628, 86537), (7867, 50908), (12727, 31468), (15734, 25454)]