127279672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{20063}}^1$

素因数の和:20143

約数の個数: 32

約数和(自身を含む): 261233280

約数和(自身を除く): 133953608

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 244, 488, 793, 1586, 3172, 6344, 20063, 40126, 80252, 160504, 260819, 521638, 1043276, 1223843, 2086552, 2447686, 4895372, 9790744, 15909959, 31819918, 63639836, 127279672]

約数ペア:

[(1, 127279672), (2, 63639836), (4, 31819918), (8, 15909959), (13, 9790744), (26, 4895372), (52, 2447686), (61, 2086552), (104, 1223843), (122, 1043276), (244, 521638), (488, 260819), (793, 160504), (1586, 80252), (3172, 40126), (6344, 20063)]