2891937778

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1\times {\mathrm{1229}}^1$

素因数の和:1602

約数の個数: 32

約数和(自身を含む): 4482552960

約数和(自身を除く): 1590615182

約数列:

[1, 2, 71, 73, 142, 146, 227, 454, 1229, 2458, 5183, 10366, 16117, 16571, 32234, 33142, 87259, 89717, 174518, 179434, 278983, 557966, 1176541, 2353082, 6369907, 12739814, 19807793, 20365759, 39615586, 40731518, 1445968889, 2891937778]

約数ペア:

[(1, 2891937778), (2, 1445968889), (71, 40731518), (73, 39615586), (142, 20365759), (146, 19807793), (227, 12739814), (454, 6369907), (1229, 2353082), (2458, 1176541), (5183, 557966), (10366, 278983), (16117, 179434), (16571, 174518), (32234, 89717), (33142, 87259)]