28888405

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{367}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 43029504

約数和(自身を除く): 14141099

約数列:

[1, 5, 7, 13, 35, 65, 91, 173, 367, 455, 865, 1211, 1835, 2249, 2569, 4771, 6055, 11245, 12845, 15743, 23855, 33397, 63491, 78715, 166985, 317455, 444437, 825383, 2222185, 4126915, 5777681, 28888405]

約数ペア:

[(1, 28888405), (5, 5777681), (7, 4126915), (13, 2222185), (35, 825383), (65, 444437), (91, 317455), (173, 166985), (367, 78715), (455, 63491), (865, 33397), (1211, 23855), (1835, 15743), (2249, 12845), (2569, 11245), (4771, 6055)]