28248870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{641}}^1$

素因数の和:777

約数の個数: 64

約数和(自身を含む): 73773504

約数和(自身を除く): 45524634

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 113, 130, 195, 226, 339, 390, 565, 641, 678, 1130, 1282, 1469, 1695, 1923, 2938, 3205, 3390, 3846, 4407, 6410, 7345, 8333, 8814, 9615, 14690, 16666, 19230, 22035, 24999, 41665, 44070, 49998, 72433, 83330, 124995, 144866, 217299, 249990, 362165, 434598, 724330, 941629, 1086495, 1883258, 2172990, 2824887, 4708145, 5649774, 9416290, 14124435, 28248870]

約数ペア:

[(1, 28248870), (2, 14124435), (3, 9416290), (5, 5649774), (6, 4708145), (10, 2824887), (13, 2172990), (15, 1883258), (26, 1086495), (30, 941629), (39, 724330), (65, 434598), (78, 362165), (113, 249990), (130, 217299), (195, 144866), (226, 124995), (339, 83330), (390, 72433), (565, 49998), (641, 44070), (678, 41665), (1130, 24999), (1282, 22035), (1469, 19230), (1695, 16666), (1923, 14690), (2938, 9615), (3205, 8814), (3390, 8333), (3846, 7345), (4407, 6410)]