28909868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1009}}^1$

素因数の和:1074

約数の個数: 48

約数和(自身を含む): 59388000

約数和(自身を除く): 30478132

約数列:

[1, 2, 4, 13, 19, 26, 29, 38, 52, 58, 76, 116, 247, 377, 494, 551, 754, 988, 1009, 1102, 1508, 2018, 2204, 4036, 7163, 13117, 14326, 19171, 26234, 28652, 29261, 38342, 52468, 58522, 76684, 117044, 249223, 380393, 498446, 555959, 760786, 996892, 1111918, 1521572, 2223836, 7227467, 14454934, 28909868]

約数ペア:

[(1, 28909868), (2, 14454934), (4, 7227467), (13, 2223836), (19, 1521572), (26, 1111918), (29, 996892), (38, 760786), (52, 555959), (58, 498446), (76, 380393), (116, 249223), (247, 117044), (377, 76684), (494, 58522), (551, 52468), (754, 38342), (988, 29261), (1009, 28652), (1102, 26234), (1508, 19171), (2018, 14326), (2204, 13117), (4036, 7163)]