161977634

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{443}}^1$

素因数の和:520

約数の個数: 64

約数和(自身を含む): 313286400

約数和(自身を除く): 151308766

約数列:

[1, 2, 7, 13, 14, 26, 41, 49, 82, 91, 98, 182, 287, 343, 443, 533, 574, 637, 686, 886, 1066, 1274, 2009, 3101, 3731, 4018, 4459, 5759, 6202, 7462, 8918, 11518, 14063, 18163, 21707, 26117, 28126, 36326, 40313, 43414, 52234, 80626, 127141, 151949, 182819, 236119, 254282, 282191, 303898, 365638, 472238, 564382, 889987, 1652833, 1779974, 1975337, 3305666, 3950674, 6229909, 11569831, 12459818, 23139662, 80988817, 161977634]

約数ペア:

[(1, 161977634), (2, 80988817), (7, 23139662), (13, 12459818), (14, 11569831), (26, 6229909), (41, 3950674), (49, 3305666), (82, 1975337), (91, 1779974), (98, 1652833), (182, 889987), (287, 564382), (343, 472238), (443, 365638), (533, 303898), (574, 282191), (637, 254282), (686, 236119), (886, 182819), (1066, 151949), (1274, 127141), (2009, 80626), (3101, 52234), (3731, 43414), (4018, 40313), (4459, 36326), (5759, 28126), (6202, 26117), (7462, 21707), (8918, 18163), (11518, 14063)]