28691852

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 63201600

約数和(自身を除く): 34509748

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 79, 98, 109, 119, 158, 196, 218, 238, 316, 436, 476, 553, 763, 833, 1106, 1343, 1526, 1666, 1853, 2212, 2686, 3052, 3332, 3706, 3871, 5341, 5372, 7412, 7742, 8611, 9401, 10682, 12971, 15484, 17222, 18802, 21364, 25942, 34444, 37604, 51884, 60277, 65807, 90797, 120554, 131614, 146387, 181594, 241108, 263228, 292774, 363188, 421939, 585548, 843878, 1024709, 1687756, 2049418, 4098836, 7172963, 14345926, 28691852]

約数ペア:

[(1, 28691852), (2, 14345926), (4, 7172963), (7, 4098836), (14, 2049418), (17, 1687756), (28, 1024709), (34, 843878), (49, 585548), (68, 421939), (79, 363188), (98, 292774), (109, 263228), (119, 241108), (158, 181594), (196, 146387), (218, 131614), (238, 120554), (316, 90797), (436, 65807), (476, 60277), (553, 51884), (763, 37604), (833, 34444), (1106, 25942), (1343, 21364), (1526, 18802), (1666, 17222), (1853, 15484), (2212, 12971), (2686, 10682), (3052, 9401), (3332, 8611), (3706, 7742), (3871, 7412), (5341, 5372)]