28937844

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{20611}}^1$

素因数の和:20637

約数の個数: 48

約数和(自身を含む): 80799040

約数和(自身を除く): 51861196

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 20611, 41222, 61833, 82444, 123666, 185499, 247332, 267943, 370998, 535886, 556497, 741996, 803829, 1071772, 1112994, 1607658, 2225988, 2411487, 3215316, 4822974, 7234461, 9645948, 14468922, 28937844]

約数ペア:

[(1, 28937844), (2, 14468922), (3, 9645948), (4, 7234461), (6, 4822974), (9, 3215316), (12, 2411487), (13, 2225988), (18, 1607658), (26, 1112994), (27, 1071772), (36, 803829), (39, 741996), (52, 556497), (54, 535886), (78, 370998), (108, 267943), (117, 247332), (156, 185499), (234, 123666), (351, 82444), (468, 61833), (702, 41222), (1404, 20611)]