889503088

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2551}}^1$

素因数の和:2646

約数の個数: 80

約数和(自身を含む): 1924003840

約数和(自身を除く): 1034500752

約数列:

[1, 2, 4, 8, 16, 19, 31, 37, 38, 62, 74, 76, 124, 148, 152, 248, 296, 304, 496, 589, 592, 703, 1147, 1178, 1406, 2294, 2356, 2551, 2812, 4588, 4712, 5102, 5624, 9176, 9424, 10204, 11248, 18352, 20408, 21793, 40816, 43586, 48469, 79081, 87172, 94387, 96938, 158162, 174344, 188774, 193876, 316324, 348688, 377548, 387752, 632648, 755096, 775504, 1265296, 1502539, 1510192, 1793353, 2925997, 3005078, 3586706, 5851994, 6010156, 7173412, 11703988, 12020312, 14346824, 23407976, 24040624, 28693648, 46815952, 55593943, 111187886, 222375772, 444751544, 889503088]

約数ペア:

[(1, 889503088), (2, 444751544), (4, 222375772), (8, 111187886), (16, 55593943), (19, 46815952), (31, 28693648), (37, 24040624), (38, 23407976), (62, 14346824), (74, 12020312), (76, 11703988), (124, 7173412), (148, 6010156), (152, 5851994), (248, 3586706), (296, 3005078), (304, 2925997), (496, 1793353), (589, 1510192), (592, 1502539), (703, 1265296), (1147, 775504), (1178, 755096), (1406, 632648), (2294, 387752), (2356, 377548), (2551, 348688), (2812, 316324), (4588, 193876), (4712, 188774), (5102, 174344), (5624, 158162), (9176, 96938), (9424, 94387), (10204, 87172), (11248, 79081), (18352, 48469), (20408, 43586), (21793, 40816)]