28637028

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5981}}^1$

素因数の和:6017

約数の個数: 72

約数和(自身を含む): 87097920

約数和(自身を除く): 58460892

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4788, 5981, 11962, 17943, 23924, 35886, 41867, 53829, 71772, 83734, 107658, 113639, 125601, 167468, 215316, 227278, 251202, 340917, 376803, 454556, 502404, 681834, 753606, 795473, 1022751, 1363668, 1507212, 1590946, 2045502, 2386419, 3181892, 4091004, 4772838, 7159257, 9545676, 14318514, 28637028]

約数ペア:

[(1, 28637028), (2, 14318514), (3, 9545676), (4, 7159257), (6, 4772838), (7, 4091004), (9, 3181892), (12, 2386419), (14, 2045502), (18, 1590946), (19, 1507212), (21, 1363668), (28, 1022751), (36, 795473), (38, 753606), (42, 681834), (57, 502404), (63, 454556), (76, 376803), (84, 340917), (114, 251202), (126, 227278), (133, 215316), (171, 167468), (228, 125601), (252, 113639), (266, 107658), (342, 83734), (399, 71772), (532, 53829), (684, 41867), (798, 35886), (1197, 23924), (1596, 17943), (2394, 11962), (4788, 5981)]