28626774

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 36691626

約数列:

[1, 2, 3, 6, 11, 22, 33, 41, 66, 71, 82, 123, 142, 149, 213, 246, 298, 426, 447, 451, 781, 894, 902, 1353, 1562, 1639, 2343, 2706, 2911, 3278, 4686, 4917, 5822, 6109, 8733, 9834, 10579, 12218, 17466, 18327, 21158, 31737, 32021, 36654, 63474, 64042, 67199, 96063, 116369, 134398, 192126, 201597, 232738, 349107, 403194, 433739, 698214, 867478, 1301217, 2602434, 4771129, 9542258, 14313387, 28626774]

約数ペア:

[(1, 28626774), (2, 14313387), (3, 9542258), (6, 4771129), (11, 2602434), (22, 1301217), (33, 867478), (41, 698214), (66, 433739), (71, 403194), (82, 349107), (123, 232738), (142, 201597), (149, 192126), (213, 134398), (246, 116369), (298, 96063), (426, 67199), (447, 64042), (451, 63474), (781, 36654), (894, 32021), (902, 31737), (1353, 21158), (1562, 18327), (1639, 17466), (2343, 12218), (2706, 10579), (2911, 9834), (3278, 8733), (4686, 6109), (4917, 5822)]