253632990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{2591}}^1$

素因数の和:2865

約数の個数: 64

約数和(自身を含む): 658409472

約数和(自身を除く): 404776482

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 251, 390, 502, 753, 1255, 1506, 2510, 2591, 3263, 3765, 5182, 6526, 7530, 7773, 9789, 12955, 15546, 16315, 19578, 25910, 32630, 33683, 38865, 48945, 67366, 77730, 97890, 101049, 168415, 202098, 336830, 505245, 650341, 1010490, 1300682, 1951023, 3251705, 3902046, 6503410, 8454433, 9755115, 16908866, 19510230, 25363299, 42272165, 50726598, 84544330, 126816495, 253632990]

約数ペア:

[(1, 253632990), (2, 126816495), (3, 84544330), (5, 50726598), (6, 42272165), (10, 25363299), (13, 19510230), (15, 16908866), (26, 9755115), (30, 8454433), (39, 6503410), (65, 3902046), (78, 3251705), (130, 1951023), (195, 1300682), (251, 1010490), (390, 650341), (502, 505245), (753, 336830), (1255, 202098), (1506, 168415), (2510, 101049), (2591, 97890), (3263, 77730), (3765, 67366), (5182, 48945), (6526, 38865), (7530, 33683), (7773, 32630), (9789, 25910), (12955, 19578), (15546, 16315)]