164998988

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1571}}^1$

素因数の和:1635

約数の個数: 72

約数和(自身を含む): 374664192

約数和(自身を除く): 209665204

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 62, 77, 121, 124, 154, 217, 242, 308, 341, 434, 484, 682, 847, 868, 1364, 1571, 1694, 2387, 3142, 3388, 3751, 4774, 6284, 7502, 9548, 10997, 15004, 17281, 21994, 26257, 34562, 43988, 48701, 52514, 69124, 97402, 105028, 120967, 190091, 194804, 241934, 340907, 380182, 483868, 535711, 681814, 760364, 1071422, 1330637, 1363628, 2142844, 2661274, 3749977, 5322548, 5892821, 7499954, 11785642, 14999908, 23571284, 41249747, 82499494, 164998988]

約数ペア:

[(1, 164998988), (2, 82499494), (4, 41249747), (7, 23571284), (11, 14999908), (14, 11785642), (22, 7499954), (28, 5892821), (31, 5322548), (44, 3749977), (62, 2661274), (77, 2142844), (121, 1363628), (124, 1330637), (154, 1071422), (217, 760364), (242, 681814), (308, 535711), (341, 483868), (434, 380182), (484, 340907), (682, 241934), (847, 194804), (868, 190091), (1364, 120967), (1571, 105028), (1694, 97402), (2387, 69124), (3142, 52514), (3388, 48701), (3751, 43988), (4774, 34562), (6284, 26257), (7502, 21994), (9548, 17281), (10997, 15004)]