399151856

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{5309}}^1$

素因数の和:5481

約数の個数: 40

約数和(自身を含む): 800663040

約数和(自身を除く): 401511184

約数列:

[1, 2, 4, 8, 16, 37, 74, 127, 148, 254, 296, 508, 592, 1016, 2032, 4699, 5309, 9398, 10618, 18796, 21236, 37592, 42472, 75184, 84944, 196433, 392866, 674243, 785732, 1348486, 1571464, 2696972, 3142928, 5393944, 10787888, 24946991, 49893982, 99787964, 199575928, 399151856]

約数ペア:

[(1, 399151856), (2, 199575928), (4, 99787964), (8, 49893982), (16, 24946991), (37, 10787888), (74, 5393944), (127, 3142928), (148, 2696972), (254, 1571464), (296, 1348486), (508, 785732), (592, 674243), (1016, 392866), (2032, 196433), (4699, 84944), (5309, 75184), (9398, 42472), (10618, 37592), (18796, 21236)]