664664

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1$

素因数の和:120

約数の個数: 64

約数和(自身を含む): 1693440

約数和(自身を除く): 1028776

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 83, 88, 91, 104, 143, 154, 166, 182, 286, 308, 332, 364, 572, 581, 616, 664, 728, 913, 1001, 1079, 1144, 1162, 1826, 2002, 2158, 2324, 3652, 4004, 4316, 4648, 6391, 7304, 7553, 8008, 8632, 11869, 12782, 15106, 23738, 25564, 30212, 47476, 51128, 60424, 83083, 94952, 166166, 332332, 664664]

約数ペア:

[(1, 664664), (2, 332332), (4, 166166), (7, 94952), (8, 83083), (11, 60424), (13, 51128), (14, 47476), (22, 30212), (26, 25564), (28, 23738), (44, 15106), (52, 12782), (56, 11869), (77, 8632), (83, 8008), (88, 7553), (91, 7304), (104, 6391), (143, 4648), (154, 4316), (166, 4004), (182, 3652), (286, 2324), (308, 2158), (332, 2002), (364, 1826), (572, 1162), (581, 1144), (616, 1079), (664, 1001), (728, 913)]