66438828

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1609}}^1$

素因数の和:1687

約数の個数: 72

約数和(自身を含む): 178156160

約数和(自身を除く): 111717332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 37, 62, 74, 93, 111, 124, 148, 186, 222, 279, 333, 372, 444, 558, 666, 1116, 1147, 1332, 1609, 2294, 3218, 3441, 4588, 4827, 6436, 6882, 9654, 10323, 13764, 14481, 19308, 20646, 28962, 41292, 49879, 57924, 59533, 99758, 119066, 149637, 178599, 199516, 238132, 299274, 357198, 448911, 535797, 598548, 714396, 897822, 1071594, 1795644, 1845523, 2143188, 3691046, 5536569, 7382092, 11073138, 16609707, 22146276, 33219414, 66438828]

約数ペア:

[(1, 66438828), (2, 33219414), (3, 22146276), (4, 16609707), (6, 11073138), (9, 7382092), (12, 5536569), (18, 3691046), (31, 2143188), (36, 1845523), (37, 1795644), (62, 1071594), (74, 897822), (93, 714396), (111, 598548), (124, 535797), (148, 448911), (186, 357198), (222, 299274), (279, 238132), (333, 199516), (372, 178599), (444, 149637), (558, 119066), (666, 99758), (1116, 59533), (1147, 57924), (1332, 49879), (1609, 41292), (2294, 28962), (3218, 20646), (3441, 19308), (4588, 14481), (4827, 13764), (6436, 10323), (6882, 9654)]