1816217104

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{1427}}^1$

素因数の和:1688

約数の個数: 80

約数和(自身を含む): 3941622720

約数和(自身を除く): 2125405616

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 104, 116, 208, 211, 232, 377, 422, 464, 754, 844, 1427, 1508, 1688, 2743, 2854, 3016, 3376, 5486, 5708, 6032, 6119, 10972, 11416, 12238, 18551, 21944, 22832, 24476, 37102, 41383, 43888, 48952, 74204, 79547, 82766, 97904, 148408, 159094, 165532, 296816, 301097, 318188, 331064, 537979, 602194, 636376, 662128, 1075958, 1204388, 1272752, 2151916, 2408776, 3914261, 4303832, 4817552, 7828522, 8607664, 8731813, 15657044, 17463626, 31314088, 34927252, 62628176, 69854504, 113513569, 139709008, 227027138, 454054276, 908108552, 1816217104]

約数ペア:

[(1, 1816217104), (2, 908108552), (4, 454054276), (8, 227027138), (13, 139709008), (16, 113513569), (26, 69854504), (29, 62628176), (52, 34927252), (58, 31314088), (104, 17463626), (116, 15657044), (208, 8731813), (211, 8607664), (232, 7828522), (377, 4817552), (422, 4303832), (464, 3914261), (754, 2408776), (844, 2151916), (1427, 1272752), (1508, 1204388), (1688, 1075958), (2743, 662128), (2854, 636376), (3016, 602194), (3376, 537979), (5486, 331064), (5708, 318188), (6032, 301097), (6119, 296816), (10972, 165532), (11416, 159094), (12238, 148408), (18551, 97904), (21944, 82766), (22832, 79547), (24476, 74204), (37102, 48952), (41383, 43888)]