1297788416

素因数分解:

$2^9\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{293}}^1$

素因数の和:563

約数の個数: 80

約数和(自身を含む): 2677984848

約数和(自身を除く): 1380196432

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 211, 256, 293, 328, 422, 512, 586, 656, 844, 1172, 1312, 1688, 2344, 2624, 3376, 4688, 5248, 6752, 8651, 9376, 10496, 12013, 13504, 17302, 18752, 20992, 24026, 27008, 34604, 37504, 48052, 54016, 61823, 69208, 75008, 96104, 108032, 123646, 138416, 150016, 192208, 247292, 276832, 384416, 494584, 553664, 768832, 989168, 1107328, 1537664, 1978336, 2214656, 2534743, 3075328, 3956672, 4429312, 5069486, 6150656, 7913344, 10138972, 15826688, 20277944, 31653376, 40555888, 81111776, 162223552, 324447104, 648894208, 1297788416]

約数ペア:

[(1, 1297788416), (2, 648894208), (4, 324447104), (8, 162223552), (16, 81111776), (32, 40555888), (41, 31653376), (64, 20277944), (82, 15826688), (128, 10138972), (164, 7913344), (211, 6150656), (256, 5069486), (293, 4429312), (328, 3956672), (422, 3075328), (512, 2534743), (586, 2214656), (656, 1978336), (844, 1537664), (1172, 1107328), (1312, 989168), (1688, 768832), (2344, 553664), (2624, 494584), (3376, 384416), (4688, 276832), (5248, 247292), (6752, 192208), (8651, 150016), (9376, 138416), (10496, 123646), (12013, 108032), (13504, 96104), (17302, 75008), (18752, 69208), (20992, 61823), (24026, 54016), (27008, 48052), (34604, 37504)]