28331568

素因数分解:

$2^4\times 3^2\times {\mathrm{181}}^1\times {\mathrm{1087}}^1$

素因数の和:1282

約数の個数: 60

約数和(自身を含む): 79800448

約数和(自身を除く): 51468880

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 181, 362, 543, 724, 1086, 1087, 1448, 1629, 2172, 2174, 2896, 3258, 3261, 4344, 4348, 6516, 6522, 8688, 8696, 9783, 13032, 13044, 17392, 19566, 26064, 26088, 39132, 52176, 78264, 156528, 196747, 393494, 590241, 786988, 1180482, 1573976, 1770723, 2360964, 3147952, 3541446, 4721928, 7082892, 9443856, 14165784, 28331568]

約数ペア:

[(1, 28331568), (2, 14165784), (3, 9443856), (4, 7082892), (6, 4721928), (8, 3541446), (9, 3147952), (12, 2360964), (16, 1770723), (18, 1573976), (24, 1180482), (36, 786988), (48, 590241), (72, 393494), (144, 196747), (181, 156528), (362, 78264), (543, 52176), (724, 39132), (1086, 26088), (1087, 26064), (1448, 19566), (1629, 17392), (2172, 13044), (2174, 13032), (2896, 9783), (3258, 8696), (3261, 8688), (4344, 6522), (4348, 6516)]