28204854

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:425

約数の個数: 64

約数和(自身を含む): 64143360

約数和(自身を除く): 35938506

約数列:

[1, 2, 3, 6, 19, 23, 31, 38, 46, 57, 62, 69, 93, 114, 138, 186, 347, 437, 589, 694, 713, 874, 1041, 1178, 1311, 1426, 1767, 2082, 2139, 2622, 3534, 4278, 6593, 7981, 10757, 13186, 13547, 15962, 19779, 21514, 23943, 27094, 32271, 39558, 40641, 47886, 64542, 81282, 151639, 204383, 247411, 303278, 408766, 454917, 494822, 613149, 742233, 909834, 1226298, 1484466, 4700809, 9401618, 14102427, 28204854]

約数ペア:

[(1, 28204854), (2, 14102427), (3, 9401618), (6, 4700809), (19, 1484466), (23, 1226298), (31, 909834), (38, 742233), (46, 613149), (57, 494822), (62, 454917), (69, 408766), (93, 303278), (114, 247411), (138, 204383), (186, 151639), (347, 81282), (437, 64542), (589, 47886), (694, 40641), (713, 39558), (874, 32271), (1041, 27094), (1178, 23943), (1311, 21514), (1426, 19779), (1767, 15962), (2082, 13547), (2139, 13186), (2622, 10757), (3534, 7981), (4278, 6593)]