15721284138

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{135671}}^1$

素因数の和:135803

約数の個数: 64

約数和(自身を含む): 37510594560

約数和(自身を除く): 21789310422

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 89, 93, 178, 186, 217, 267, 434, 534, 623, 651, 1246, 1302, 1869, 2759, 3738, 5518, 8277, 16554, 19313, 38626, 57939, 115878, 135671, 271342, 407013, 814026, 949697, 1899394, 2849091, 4205801, 5698182, 8411602, 12074719, 12617403, 24149438, 25234806, 29440607, 36224157, 58881214, 72448314, 84523033, 88321821, 169046066, 176643642, 253569099, 374316289, 507138198, 748632578, 1122948867, 2245897734, 2620214023, 5240428046, 7860642069, 15721284138]

約数ペア:

[(1, 15721284138), (2, 7860642069), (3, 5240428046), (6, 2620214023), (7, 2245897734), (14, 1122948867), (21, 748632578), (31, 507138198), (42, 374316289), (62, 253569099), (89, 176643642), (93, 169046066), (178, 88321821), (186, 84523033), (217, 72448314), (267, 58881214), (434, 36224157), (534, 29440607), (623, 25234806), (651, 24149438), (1246, 12617403), (1302, 12074719), (1869, 8411602), (2759, 5698182), (3738, 4205801), (5518, 2849091), (8277, 1899394), (16554, 949697), (19313, 814026), (38626, 407013), (57939, 271342), (115878, 135671)]