1388725808

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1019}}^1\times {\mathrm{4483}}^1$

素因数の和:5529

約数の個数: 40

約数和(自身を含む): 2835681600

約数和(自身を除く): 1446955792

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1019, 2038, 4076, 4483, 8152, 8966, 16304, 17932, 19361, 35864, 38722, 71728, 77444, 85177, 154888, 170354, 309776, 340708, 681416, 1362832, 4568177, 9136354, 18272708, 36545416, 73090832, 86795363, 173590726, 347181452, 694362904, 1388725808]

約数ペア:

[(1, 1388725808), (2, 694362904), (4, 347181452), (8, 173590726), (16, 86795363), (19, 73090832), (38, 36545416), (76, 18272708), (152, 9136354), (304, 4568177), (1019, 1362832), (2038, 681416), (4076, 340708), (4483, 309776), (8152, 170354), (8966, 154888), (16304, 85177), (17932, 77444), (19361, 71728), (35864, 38722)]