313638388

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1\times {\mathrm{787}}^1$

素因数の和:1172

約数の個数: 48

約数和(自身を含む): 644621824

約数和(自身を除く): 330983436

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 331, 602, 662, 787, 1204, 1324, 1574, 2317, 3148, 4634, 5509, 9268, 11018, 14233, 22036, 28466, 33841, 56932, 67682, 99631, 135364, 199262, 236887, 260497, 398524, 473774, 520994, 947548, 1041988, 1823479, 3646958, 7293916, 11201371, 22402742, 44805484, 78409597, 156819194, 313638388]

約数ペア:

[(1, 313638388), (2, 156819194), (4, 78409597), (7, 44805484), (14, 22402742), (28, 11201371), (43, 7293916), (86, 3646958), (172, 1823479), (301, 1041988), (331, 947548), (602, 520994), (662, 473774), (787, 398524), (1204, 260497), (1324, 236887), (1574, 199262), (2317, 135364), (3148, 99631), (4634, 67682), (5509, 56932), (9268, 33841), (11018, 28466), (14233, 22036)]