7921404

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:379

約数の個数: 72

約数和(自身を含む): 21716240

約数和(自身を除く): 13794836

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 37, 38, 57, 74, 76, 111, 114, 148, 171, 222, 228, 313, 333, 342, 444, 626, 666, 684, 703, 939, 1252, 1332, 1406, 1878, 2109, 2812, 2817, 3756, 4218, 5634, 5947, 6327, 8436, 11268, 11581, 11894, 12654, 17841, 23162, 23788, 25308, 34743, 35682, 46324, 53523, 69486, 71364, 104229, 107046, 138972, 208458, 214092, 220039, 416916, 440078, 660117, 880156, 1320234, 1980351, 2640468, 3960702, 7921404]

約数ペア:

[(1, 7921404), (2, 3960702), (3, 2640468), (4, 1980351), (6, 1320234), (9, 880156), (12, 660117), (18, 440078), (19, 416916), (36, 220039), (37, 214092), (38, 208458), (57, 138972), (74, 107046), (76, 104229), (111, 71364), (114, 69486), (148, 53523), (171, 46324), (222, 35682), (228, 34743), (313, 25308), (333, 23788), (342, 23162), (444, 17841), (626, 12654), (666, 11894), (684, 11581), (703, 11268), (939, 8436), (1252, 6327), (1332, 5947), (1406, 5634), (1878, 4218), (2109, 3756), (2812, 2817)]