81613306838

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1307}}^1\times {\mathrm{234749}}^1$

素因数の和:236084

約数の個数: 32

約数和(自身を含む): 147385440000

約数和(自身を除く): 65772133162

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 1307, 2614, 9149, 18298, 24833, 49666, 173831, 234749, 347662, 469498, 1643243, 3286486, 4460231, 8920462, 31221617, 62443234, 306816943, 613633886, 2147718601, 4295437202, 5829521917, 11659043834, 40806653419, 81613306838]

約数ペア:

[(1, 81613306838), (2, 40806653419), (7, 11659043834), (14, 5829521917), (19, 4295437202), (38, 2147718601), (133, 613633886), (266, 306816943), (1307, 62443234), (2614, 31221617), (9149, 8920462), (18298, 4460231), (24833, 3286486), (49666, 1643243), (173831, 469498), (234749, 347662)]