31231552

素因数分解:

$2^6\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:180

約数の個数: 84

約数和(自身を含む): 70604380

約数和(自身を除く): 39372828

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 64, 74, 88, 109, 121, 148, 176, 218, 242, 296, 352, 407, 436, 484, 592, 704, 814, 872, 968, 1184, 1199, 1628, 1744, 1936, 2368, 2398, 3256, 3488, 3872, 4033, 4477, 4796, 6512, 6976, 7744, 8066, 8954, 9592, 13024, 13189, 16132, 17908, 19184, 26048, 26378, 32264, 35816, 38368, 44363, 52756, 64528, 71632, 76736, 88726, 105512, 129056, 143264, 177452, 211024, 258112, 286528, 354904, 422048, 487993, 709808, 844096, 975986, 1419616, 1951972, 2839232, 3903944, 7807888, 15615776, 31231552]

約数ペア:

[(1, 31231552), (2, 15615776), (4, 7807888), (8, 3903944), (11, 2839232), (16, 1951972), (22, 1419616), (32, 975986), (37, 844096), (44, 709808), (64, 487993), (74, 422048), (88, 354904), (109, 286528), (121, 258112), (148, 211024), (176, 177452), (218, 143264), (242, 129056), (296, 105512), (352, 88726), (407, 76736), (436, 71632), (484, 64528), (592, 52756), (704, 44363), (814, 38368), (872, 35816), (968, 32264), (1184, 26378), (1199, 26048), (1628, 19184), (1744, 17908), (1936, 16132), (2368, 13189), (2398, 13024), (3256, 9592), (3488, 8954), (3872, 8066), (4033, 7744), (4477, 6976), (4796, 6512)]