668205930

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{102643}}^1$

素因数の和:102691

約数の個数: 64

約数和(自身を含む): 1891934208

約数和(自身を除く): 1223728278

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 105, 155, 186, 210, 217, 310, 434, 465, 651, 930, 1085, 1302, 2170, 3255, 6510, 102643, 205286, 307929, 513215, 615858, 718501, 1026430, 1437002, 1539645, 2155503, 3079290, 3181933, 3592505, 4311006, 6363866, 7185010, 9545799, 10777515, 15909665, 19091598, 21555030, 22273531, 31819330, 44547062, 47728995, 66820593, 95457990, 111367655, 133641186, 222735310, 334102965, 668205930]

約数ペア:

[(1, 668205930), (2, 334102965), (3, 222735310), (5, 133641186), (6, 111367655), (7, 95457990), (10, 66820593), (14, 47728995), (15, 44547062), (21, 31819330), (30, 22273531), (31, 21555030), (35, 19091598), (42, 15909665), (62, 10777515), (70, 9545799), (93, 7185010), (105, 6363866), (155, 4311006), (186, 3592505), (210, 3181933), (217, 3079290), (310, 2155503), (434, 1539645), (465, 1437002), (651, 1026430), (930, 718501), (1085, 615858), (1302, 513215), (2170, 307929), (3255, 205286), (6510, 102643)]