128897405

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 202245120

約数和(自身を除く): 73347715

約数列:

[1, 5, 7, 13, 23, 35, 65, 91, 109, 113, 115, 161, 299, 455, 545, 565, 763, 791, 805, 1417, 1469, 1495, 2093, 2507, 2599, 3815, 3955, 7085, 7345, 9919, 10283, 10465, 12317, 12535, 12995, 17549, 18193, 32591, 33787, 49595, 51415, 61585, 86219, 87745, 90965, 160121, 162955, 168935, 228137, 236509, 283291, 431095, 800605, 1120847, 1140685, 1182545, 1416455, 1983037, 3682783, 5604235, 9915185, 18413915, 25779481, 128897405]

約数ペア:

[(1, 128897405), (5, 25779481), (7, 18413915), (13, 9915185), (23, 5604235), (35, 3682783), (65, 1983037), (91, 1416455), (109, 1182545), (113, 1140685), (115, 1120847), (161, 800605), (299, 431095), (455, 283291), (545, 236509), (565, 228137), (763, 168935), (791, 162955), (805, 160121), (1417, 90965), (1469, 87745), (1495, 86219), (2093, 61585), (2507, 51415), (2599, 49595), (3815, 33787), (3955, 32591), (7085, 18193), (7345, 17549), (9919, 12995), (10283, 12535), (10465, 12317)]