26386990

素因数分解:

$2^1\times 5^1\times 7^5\times {\mathrm{157}}^1$

素因数の和:199

約数の個数: 48

約数和(自身を含む): 55765152

約数和(自身を除く): 29378162

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 157, 245, 314, 343, 490, 686, 785, 1099, 1570, 1715, 2198, 2401, 3430, 4802, 5495, 7693, 10990, 12005, 15386, 16807, 24010, 33614, 38465, 53851, 76930, 84035, 107702, 168070, 269255, 376957, 538510, 753914, 1884785, 2638699, 3769570, 5277398, 13193495, 26386990]

約数ペア:

[(1, 26386990), (2, 13193495), (5, 5277398), (7, 3769570), (10, 2638699), (14, 1884785), (35, 753914), (49, 538510), (70, 376957), (98, 269255), (157, 168070), (245, 107702), (314, 84035), (343, 76930), (490, 53851), (686, 38465), (785, 33614), (1099, 24010), (1570, 16807), (1715, 15386), (2198, 12005), (2401, 10990), (3430, 7693), (4802, 5495)]