991408992

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{86783}}^1$

素因数の和:86820

約数の個数: 96

約数和(自身を含む): 3149217792

約数和(自身を除く): 2157808800

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 32, 34, 42, 48, 51, 56, 68, 84, 96, 102, 112, 119, 136, 168, 204, 224, 238, 272, 336, 357, 408, 476, 544, 672, 714, 816, 952, 1428, 1632, 1904, 2856, 3808, 5712, 11424, 86783, 173566, 260349, 347132, 520698, 607481, 694264, 1041396, 1214962, 1388528, 1475311, 1822443, 2082792, 2429924, 2777056, 2950622, 3644886, 4165584, 4425933, 4859848, 5901244, 7289772, 8331168, 8851866, 9719696, 10327177, 11802488, 14579544, 17703732, 19439392, 20654354, 23604976, 29159088, 30981531, 35407464, 41308708, 47209952, 58318176, 61963062, 70814928, 82617416, 123926124, 141629856, 165234832, 247852248, 330469664, 495704496, 991408992]

約数ペア:

[(1, 991408992), (2, 495704496), (3, 330469664), (4, 247852248), (6, 165234832), (7, 141629856), (8, 123926124), (12, 82617416), (14, 70814928), (16, 61963062), (17, 58318176), (21, 47209952), (24, 41308708), (28, 35407464), (32, 30981531), (34, 29159088), (42, 23604976), (48, 20654354), (51, 19439392), (56, 17703732), (68, 14579544), (84, 11802488), (96, 10327177), (102, 9719696), (112, 8851866), (119, 8331168), (136, 7289772), (168, 5901244), (204, 4859848), (224, 4425933), (238, 4165584), (272, 3644886), (336, 2950622), (357, 2777056), (408, 2429924), (476, 2082792), (544, 1822443), (672, 1475311), (714, 1388528), (816, 1214962), (952, 1041396), (1428, 694264), (1632, 607481), (1904, 520698), (2856, 347132), (3808, 260349), (5712, 173566), (11424, 86783)]