15999816

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{727}}^1$

素因数の和:874

約数の個数: 64

約数和(自身を含む): 46126080

約数和(自身を除く): 30126264

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 131, 168, 262, 393, 524, 727, 786, 917, 1048, 1454, 1572, 1834, 2181, 2751, 2908, 3144, 3668, 4362, 5089, 5502, 5816, 7336, 8724, 10178, 11004, 15267, 17448, 20356, 22008, 30534, 40712, 61068, 95237, 122136, 190474, 285711, 380948, 571422, 666659, 761896, 1142844, 1333318, 1999977, 2285688, 2666636, 3999954, 5333272, 7999908, 15999816]

約数ペア:

[(1, 15999816), (2, 7999908), (3, 5333272), (4, 3999954), (6, 2666636), (7, 2285688), (8, 1999977), (12, 1333318), (14, 1142844), (21, 761896), (24, 666659), (28, 571422), (42, 380948), (56, 285711), (84, 190474), (131, 122136), (168, 95237), (262, 61068), (393, 40712), (524, 30534), (727, 22008), (786, 20356), (917, 17448), (1048, 15267), (1454, 11004), (1572, 10178), (1834, 8724), (2181, 7336), (2751, 5816), (2908, 5502), (3144, 5089), (3668, 4362)]