28992990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4373}}^1$

素因数の和:4413

約数の個数: 64

約数和(自身を含む): 79361856

約数和(自身を除く): 50368866

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3315, 4373, 6630, 8746, 13119, 21865, 26238, 43730, 56849, 65595, 74341, 113698, 131190, 148682, 170547, 223023, 284245, 341094, 371705, 446046, 568490, 743410, 852735, 966433, 1115115, 1705470, 1932866, 2230230, 2899299, 4832165, 5798598, 9664330, 14496495, 28992990]

約数ペア:

[(1, 28992990), (2, 14496495), (3, 9664330), (5, 5798598), (6, 4832165), (10, 2899299), (13, 2230230), (15, 1932866), (17, 1705470), (26, 1115115), (30, 966433), (34, 852735), (39, 743410), (51, 568490), (65, 446046), (78, 371705), (85, 341094), (102, 284245), (130, 223023), (170, 170547), (195, 148682), (221, 131190), (255, 113698), (390, 74341), (442, 65595), (510, 56849), (663, 43730), (1105, 26238), (1326, 21865), (2210, 13119), (3315, 8746), (4373, 6630)]