388366888

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{1583}}^1$

素因数の和:1946

約数の個数: 64

約数和(自身を含む): 899458560

約数和(自身を除く): 511091672

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 337, 364, 674, 728, 1348, 1583, 2359, 2696, 3166, 4381, 4718, 6332, 8762, 9436, 11081, 12664, 17524, 18872, 20579, 22162, 30667, 35048, 41158, 44324, 61334, 82316, 88648, 122668, 144053, 164632, 245336, 288106, 533471, 576212, 1066942, 1152424, 2133884, 3734297, 4267768, 6935123, 7468594, 13870246, 14937188, 27740492, 29874376, 48545861, 55480984, 97091722, 194183444, 388366888]

約数ペア:

[(1, 388366888), (2, 194183444), (4, 97091722), (7, 55480984), (8, 48545861), (13, 29874376), (14, 27740492), (26, 14937188), (28, 13870246), (52, 7468594), (56, 6935123), (91, 4267768), (104, 3734297), (182, 2133884), (337, 1152424), (364, 1066942), (674, 576212), (728, 533471), (1348, 288106), (1583, 245336), (2359, 164632), (2696, 144053), (3166, 122668), (4381, 88648), (4718, 82316), (6332, 61334), (8762, 44324), (9436, 41158), (11081, 35048), (12664, 30667), (17524, 22162), (18872, 20579)]