28378638

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:409

約数の個数: 48

約数和(自身を含む): 63382176

約数和(自身を除く): 35003538

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 151, 159, 197, 302, 318, 394, 453, 477, 591, 906, 954, 1182, 1359, 1773, 2718, 3546, 8003, 10441, 16006, 20882, 24009, 29747, 31323, 48018, 59494, 62646, 72027, 89241, 93969, 144054, 178482, 187938, 267723, 535446, 1576591, 3153182, 4729773, 9459546, 14189319, 28378638]

約数ペア:

[(1, 28378638), (2, 14189319), (3, 9459546), (6, 4729773), (9, 3153182), (18, 1576591), (53, 535446), (106, 267723), (151, 187938), (159, 178482), (197, 144054), (302, 93969), (318, 89241), (394, 72027), (453, 62646), (477, 59494), (591, 48018), (906, 31323), (954, 29747), (1182, 24009), (1359, 20882), (1773, 16006), (2718, 10441), (3546, 8003)]