245821785

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:335

約数の個数: 96

約数和(自身を含む): 474356736

約数和(自身を除く): 228534951

約数列:

[1, 3, 5, 11, 15, 17, 31, 33, 51, 55, 85, 93, 121, 155, 165, 187, 255, 257, 341, 363, 465, 527, 561, 605, 771, 935, 1023, 1285, 1581, 1705, 1815, 2057, 2635, 2805, 2827, 3751, 3855, 4369, 5115, 5797, 6171, 7905, 7967, 8481, 10285, 11253, 13107, 14135, 17391, 18755, 21845, 23901, 28985, 30855, 31097, 39835, 42405, 48059, 56265, 63767, 65535, 86955, 87637, 93291, 119505, 135439, 144177, 155485, 191301, 240295, 262911, 318835, 406317, 438185, 466455, 528649, 677195, 720885, 956505, 964007, 1314555, 1489829, 1585947, 2031585, 2643245, 2892021, 4469487, 4820035, 7449145, 7929735, 14460105, 16388119, 22347435, 49164357, 81940595, 245821785]

約数ペア:

[(1, 245821785), (3, 81940595), (5, 49164357), (11, 22347435), (15, 16388119), (17, 14460105), (31, 7929735), (33, 7449145), (51, 4820035), (55, 4469487), (85, 2892021), (93, 2643245), (121, 2031585), (155, 1585947), (165, 1489829), (187, 1314555), (255, 964007), (257, 956505), (341, 720885), (363, 677195), (465, 528649), (527, 466455), (561, 438185), (605, 406317), (771, 318835), (935, 262911), (1023, 240295), (1285, 191301), (1581, 155485), (1705, 144177), (1815, 135439), (2057, 119505), (2635, 93291), (2805, 87637), (2827, 86955), (3751, 65535), (3855, 63767), (4369, 56265), (5115, 48059), (5797, 42405), (6171, 39835), (7905, 31097), (7967, 30855), (8481, 28985), (10285, 23901), (11253, 21845), (13107, 18755), (14135, 17391)]