28011701844

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{318503}}^1$

素因数の和:318869

約数の個数: 72

約数和(自身を含む): 81154819200

約数和(自身を除く): 53143117356

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 349, 698, 1047, 1396, 2094, 2443, 3141, 4188, 4886, 6282, 7329, 9772, 12564, 14658, 21987, 29316, 43974, 87948, 318503, 637006, 955509, 1274012, 1911018, 2229521, 2866527, 3822036, 4459042, 5733054, 6688563, 8918084, 11466108, 13377126, 20065689, 26754252, 40131378, 80262756, 111157547, 222315094, 333472641, 444630188, 666945282, 778102829, 1000417923, 1333890564, 1556205658, 2000835846, 2334308487, 3112411316, 4001671692, 4668616974, 7002925461, 9337233948, 14005850922, 28011701844]

約数ペア:

[(1, 28011701844), (2, 14005850922), (3, 9337233948), (4, 7002925461), (6, 4668616974), (7, 4001671692), (9, 3112411316), (12, 2334308487), (14, 2000835846), (18, 1556205658), (21, 1333890564), (28, 1000417923), (36, 778102829), (42, 666945282), (63, 444630188), (84, 333472641), (126, 222315094), (252, 111157547), (349, 80262756), (698, 40131378), (1047, 26754252), (1396, 20065689), (2094, 13377126), (2443, 11466108), (3141, 8918084), (4188, 6688563), (4886, 5733054), (6282, 4459042), (7329, 3822036), (9772, 2866527), (12564, 2229521), (14658, 1911018), (21987, 1274012), (29316, 955509), (43974, 637006), (87948, 318503)]