1973714939

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1\times {\mathrm{787}}^1$

素因数の和:1275

約数の個数: 32

約数和(自身を含む): 2426182656

約数和(自身を除く): 452467717

約数列:

[1, 7, 23, 37, 161, 259, 421, 787, 851, 2947, 5509, 5957, 9683, 15577, 18101, 29119, 67781, 109039, 126707, 203833, 331327, 358271, 669737, 2319289, 2507897, 4688159, 7620521, 12259099, 53343647, 85813693, 281959277, 1973714939]

約数ペア:

[(1, 1973714939), (7, 281959277), (23, 85813693), (37, 53343647), (161, 12259099), (259, 7620521), (421, 4688159), (787, 2507897), (851, 2319289), (2947, 669737), (5509, 358271), (5957, 331327), (9683, 203833), (15577, 126707), (18101, 109039), (29119, 67781)]