2873948

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:103

約数の個数: 72

約数和(自身を含む): 6741504

約数和(自身を除く): 3867556

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 43, 44, 49, 62, 77, 86, 98, 124, 154, 172, 196, 217, 301, 308, 341, 434, 473, 539, 602, 682, 868, 946, 1078, 1204, 1333, 1364, 1519, 1892, 2107, 2156, 2387, 2666, 3038, 3311, 4214, 4774, 5332, 6076, 6622, 8428, 9331, 9548, 13244, 14663, 16709, 18662, 23177, 29326, 33418, 37324, 46354, 58652, 65317, 66836, 92708, 102641, 130634, 205282, 261268, 410564, 718487, 1436974, 2873948]

約数ペア:

[(1, 2873948), (2, 1436974), (4, 718487), (7, 410564), (11, 261268), (14, 205282), (22, 130634), (28, 102641), (31, 92708), (43, 66836), (44, 65317), (49, 58652), (62, 46354), (77, 37324), (86, 33418), (98, 29326), (124, 23177), (154, 18662), (172, 16709), (196, 14663), (217, 13244), (301, 9548), (308, 9331), (341, 8428), (434, 6622), (473, 6076), (539, 5332), (602, 4774), (682, 4214), (868, 3311), (946, 3038), (1078, 2666), (1204, 2387), (1333, 2156), (1364, 2107), (1519, 1892)]