2018789998

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:449

約数の個数: 48

約数和(自身を含む): 3240341712

約数和(自身を除く): 1221551714

約数列:

[1, 2, 31, 61, 62, 67, 122, 134, 257, 514, 961, 1891, 1922, 2077, 3782, 4087, 4154, 7967, 8174, 15677, 15934, 17219, 31354, 34438, 58621, 64387, 117242, 126697, 128774, 246977, 253394, 485987, 493954, 533789, 971974, 1050359, 1067578, 2100718, 3927607, 7855214, 15065597, 16547459, 30131194, 32561129, 33094918, 65122258, 1009394999, 2018789998]

約数ペア:

[(1, 2018789998), (2, 1009394999), (31, 65122258), (61, 33094918), (62, 32561129), (67, 30131194), (122, 16547459), (134, 15065597), (257, 7855214), (514, 3927607), (961, 2100718), (1891, 1067578), (1922, 1050359), (2077, 971974), (3782, 533789), (4087, 493954), (4154, 485987), (7967, 253394), (8174, 246977), (15677, 128774), (15934, 126697), (17219, 117242), (31354, 64387), (34438, 58621)]