81474988

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{331}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 167328000

約数和(自身を除く): 85853012

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 149, 236, 298, 331, 413, 596, 662, 826, 1043, 1324, 1652, 2086, 2317, 4172, 4634, 8791, 9268, 17582, 19529, 35164, 39058, 49319, 61537, 78116, 98638, 123074, 136703, 197276, 246148, 273406, 345233, 546812, 690466, 1380932, 2909821, 5819642, 11639284, 20368747, 40737494, 81474988]

約数ペア:

[(1, 81474988), (2, 40737494), (4, 20368747), (7, 11639284), (14, 5819642), (28, 2909821), (59, 1380932), (118, 690466), (149, 546812), (236, 345233), (298, 273406), (331, 246148), (413, 197276), (596, 136703), (662, 123074), (826, 98638), (1043, 78116), (1324, 61537), (1652, 49319), (2086, 39058), (2317, 35164), (4172, 19529), (4634, 17582), (8791, 9268)]