56506515

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 104315904

約数和(自身を除く): 47809389

約数列:

[1, 3, 5, 13, 15, 23, 39, 43, 65, 69, 115, 129, 195, 215, 293, 299, 345, 559, 645, 879, 897, 989, 1465, 1495, 1677, 2795, 2967, 3809, 4395, 4485, 4945, 6739, 8385, 11427, 12599, 12857, 14835, 19045, 20217, 33695, 37797, 38571, 57135, 62995, 64285, 87607, 101085, 163787, 188985, 192855, 262821, 289777, 438035, 491361, 818935, 869331, 1314105, 1448885, 2456805, 3767101, 4346655, 11301303, 18835505, 56506515]

約数ペア:

[(1, 56506515), (3, 18835505), (5, 11301303), (13, 4346655), (15, 3767101), (23, 2456805), (39, 1448885), (43, 1314105), (65, 869331), (69, 818935), (115, 491361), (129, 438035), (195, 289777), (215, 262821), (293, 192855), (299, 188985), (345, 163787), (559, 101085), (645, 87607), (879, 64285), (897, 62995), (989, 57135), (1465, 38571), (1495, 37797), (1677, 33695), (2795, 20217), (2967, 19045), (3809, 14835), (4395, 12857), (4485, 12599), (4945, 11427), (6739, 8385)]