28758324

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:557

約数の個数: 96

約数和(自身を含む): 83077120

約数和(自身を除く): 54318796

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 37, 38, 42, 57, 74, 76, 84, 111, 114, 133, 148, 222, 228, 259, 266, 399, 444, 487, 518, 532, 703, 777, 798, 974, 1036, 1406, 1461, 1554, 1596, 1948, 2109, 2812, 2922, 3108, 3409, 4218, 4921, 5844, 6818, 8436, 9253, 9842, 10227, 13636, 14763, 18019, 18506, 19684, 20454, 27759, 29526, 36038, 37012, 40908, 54057, 55518, 59052, 64771, 72076, 108114, 111036, 126133, 129542, 194313, 216228, 252266, 259084, 342361, 378399, 388626, 504532, 684722, 756798, 777252, 1027083, 1369444, 1513596, 2054166, 2396527, 4108332, 4793054, 7189581, 9586108, 14379162, 28758324]

約数ペア:

[(1, 28758324), (2, 14379162), (3, 9586108), (4, 7189581), (6, 4793054), (7, 4108332), (12, 2396527), (14, 2054166), (19, 1513596), (21, 1369444), (28, 1027083), (37, 777252), (38, 756798), (42, 684722), (57, 504532), (74, 388626), (76, 378399), (84, 342361), (111, 259084), (114, 252266), (133, 216228), (148, 194313), (222, 129542), (228, 126133), (259, 111036), (266, 108114), (399, 72076), (444, 64771), (487, 59052), (518, 55518), (532, 54057), (703, 40908), (777, 37012), (798, 36038), (974, 29526), (1036, 27759), (1406, 20454), (1461, 19684), (1554, 18506), (1596, 18019), (1948, 14763), (2109, 13636), (2812, 10227), (2922, 9842), (3108, 9253), (3409, 8436), (4218, 6818), (4921, 5844)]