31613428

素因数分解:

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

素因数の和:114

約数の個数: 108

約数和(自身を含む): 74718336

約数和(自身を除く): 43104908

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 43, 44, 49, 62, 77, 86, 98, 121, 124, 154, 172, 196, 217, 242, 301, 308, 341, 434, 473, 484, 539, 602, 682, 847, 868, 946, 1078, 1204, 1333, 1364, 1519, 1694, 1892, 2107, 2156, 2387, 2666, 3038, 3311, 3388, 3751, 4214, 4774, 5203, 5332, 5929, 6076, 6622, 7502, 8428, 9331, 9548, 10406, 11858, 13244, 14663, 15004, 16709, 18662, 20812, 23177, 23716, 26257, 29326, 33418, 36421, 37324, 46354, 52514, 58652, 65317, 66836, 72842, 92708, 102641, 105028, 130634, 145684, 161293, 183799, 205282, 254947, 261268, 322586, 367598, 410564, 509894, 645172, 718487, 735196, 1019788, 1129051, 1436974, 2258102, 2873948, 4516204, 7903357, 15806714, 31613428]

約数ペア:

[(1, 31613428), (2, 15806714), (4, 7903357), (7, 4516204), (11, 2873948), (14, 2258102), (22, 1436974), (28, 1129051), (31, 1019788), (43, 735196), (44, 718487), (49, 645172), (62, 509894), (77, 410564), (86, 367598), (98, 322586), (121, 261268), (124, 254947), (154, 205282), (172, 183799), (196, 161293), (217, 145684), (242, 130634), (301, 105028), (308, 102641), (341, 92708), (434, 72842), (473, 66836), (484, 65317), (539, 58652), (602, 52514), (682, 46354), (847, 37324), (868, 36421), (946, 33418), (1078, 29326), (1204, 26257), (1333, 23716), (1364, 23177), (1519, 20812), (1694, 18662), (1892, 16709), (2107, 15004), (2156, 14663), (2387, 13244), (2666, 11858), (3038, 10406), (3311, 9548), (3388, 9331), (3751, 8428), (4214, 7502), (4774, 6622), (5203, 6076), (5332, 5929)]