388638428

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{617}}^1$

素因数の和:854

約数の個数: 48

約数和(自身を含む): 738188640

約数和(自身を除く): 349550212

約数列:

[1, 2, 4, 17, 34, 59, 68, 118, 157, 236, 314, 617, 628, 1003, 1234, 2006, 2468, 2669, 4012, 5338, 9263, 10489, 10676, 18526, 20978, 36403, 37052, 41956, 72806, 96869, 145612, 157471, 193738, 314942, 387476, 618851, 629884, 1237702, 1646773, 2475404, 3293546, 5715271, 6587092, 11430542, 22861084, 97159607, 194319214, 388638428]

約数ペア:

[(1, 388638428), (2, 194319214), (4, 97159607), (17, 22861084), (34, 11430542), (59, 6587092), (68, 5715271), (118, 3293546), (157, 2475404), (236, 1646773), (314, 1237702), (617, 629884), (628, 618851), (1003, 387476), (1234, 314942), (2006, 193738), (2468, 157471), (2669, 145612), (4012, 96869), (5338, 72806), (9263, 41956), (10489, 37052), (10676, 36403), (18526, 20978)]