398519134

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 703261440

約数和(自身を除く): 304742306

約数列:

[1, 2, 13, 17, 26, 34, 79, 101, 113, 158, 202, 221, 226, 442, 1027, 1313, 1343, 1469, 1717, 1921, 2054, 2626, 2686, 2938, 3434, 3842, 7979, 8927, 11413, 15958, 17459, 17854, 22321, 22826, 24973, 34918, 44642, 49946, 103727, 116051, 135643, 148369, 151759, 194021, 207454, 232102, 271286, 296738, 303518, 388042, 901627, 1763359, 1803254, 1972867, 2522273, 3526718, 3945734, 5044546, 11721151, 15327659, 23442302, 30655318, 199259567, 398519134]

約数ペア:

[(1, 398519134), (2, 199259567), (13, 30655318), (17, 23442302), (26, 15327659), (34, 11721151), (79, 5044546), (101, 3945734), (113, 3526718), (158, 2522273), (202, 1972867), (221, 1803254), (226, 1763359), (442, 901627), (1027, 388042), (1313, 303518), (1343, 296738), (1469, 271286), (1717, 232102), (1921, 207454), (2054, 194021), (2626, 151759), (2686, 148369), (2938, 135643), (3434, 116051), (3842, 103727), (7979, 49946), (8927, 44642), (11413, 34918), (15958, 24973), (17459, 22826), (17854, 22321)]