31403772

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:323

約数の個数: 72

約数和(自身を含む): 82162080

約数和(自身を除く): 50758308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 109, 151, 159, 212, 218, 302, 318, 327, 436, 453, 477, 604, 636, 654, 906, 954, 981, 1308, 1359, 1812, 1908, 1962, 2718, 3924, 5436, 5777, 8003, 11554, 16006, 16459, 17331, 23108, 24009, 32012, 32918, 34662, 48018, 49377, 51993, 65836, 69324, 72027, 96036, 98754, 103986, 144054, 148131, 197508, 207972, 288108, 296262, 592524, 872327, 1744654, 2616981, 3489308, 5233962, 7850943, 10467924, 15701886, 31403772]

約数ペア:

[(1, 31403772), (2, 15701886), (3, 10467924), (4, 7850943), (6, 5233962), (9, 3489308), (12, 2616981), (18, 1744654), (36, 872327), (53, 592524), (106, 296262), (109, 288108), (151, 207972), (159, 197508), (212, 148131), (218, 144054), (302, 103986), (318, 98754), (327, 96036), (436, 72027), (453, 69324), (477, 65836), (604, 51993), (636, 49377), (654, 48018), (906, 34662), (954, 32918), (981, 32012), (1308, 24009), (1359, 23108), (1812, 17331), (1908, 16459), (1962, 16006), (2718, 11554), (3924, 8003), (5436, 5777)]