28237976

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 59875200

約数和(自身を除く): 31637224

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 53, 94, 104, 106, 109, 188, 212, 218, 376, 424, 436, 611, 689, 872, 1222, 1378, 1417, 2444, 2491, 2756, 2834, 4888, 4982, 5123, 5512, 5668, 5777, 9964, 10246, 11336, 11554, 19928, 20492, 23108, 32383, 40984, 46216, 64766, 66599, 75101, 129532, 133198, 150202, 259064, 266396, 271519, 300404, 532792, 543038, 600808, 1086076, 2172152, 3529747, 7059494, 14118988, 28237976]

約数ペア:

[(1, 28237976), (2, 14118988), (4, 7059494), (8, 3529747), (13, 2172152), (26, 1086076), (47, 600808), (52, 543038), (53, 532792), (94, 300404), (104, 271519), (106, 266396), (109, 259064), (188, 150202), (212, 133198), (218, 129532), (376, 75101), (424, 66599), (436, 64766), (611, 46216), (689, 40984), (872, 32383), (1222, 23108), (1378, 20492), (1417, 19928), (2444, 11554), (2491, 11336), (2756, 10246), (2834, 9964), (4888, 5777), (4982, 5668), (5123, 5512)]