12905172

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{617}}^1$

素因数の和:717

約数の個数: 72

約数和(自身を含む): 37791936

約数和(自身を除く): 24886764

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 83, 84, 126, 166, 249, 252, 332, 498, 581, 617, 747, 996, 1162, 1234, 1494, 1743, 1851, 2324, 2468, 2988, 3486, 3702, 4319, 5229, 5553, 6972, 7404, 8638, 10458, 11106, 12957, 17276, 20916, 22212, 25914, 38871, 51211, 51828, 77742, 102422, 153633, 155484, 204844, 307266, 358477, 460899, 614532, 716954, 921798, 1075431, 1433908, 1843596, 2150862, 3226293, 4301724, 6452586, 12905172]

約数ペア:

[(1, 12905172), (2, 6452586), (3, 4301724), (4, 3226293), (6, 2150862), (7, 1843596), (9, 1433908), (12, 1075431), (14, 921798), (18, 716954), (21, 614532), (28, 460899), (36, 358477), (42, 307266), (63, 204844), (83, 155484), (84, 153633), (126, 102422), (166, 77742), (249, 51828), (252, 51211), (332, 38871), (498, 25914), (581, 22212), (617, 20916), (747, 17276), (996, 12957), (1162, 11106), (1234, 10458), (1494, 8638), (1743, 7404), (1851, 6972), (2324, 5553), (2468, 5229), (2988, 4319), (3486, 3702)]