208889134108

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{191}}^1\times {\mathrm{269}}^1\times {\mathrm{3517}}^1$

素因数の和:4015

約数の個数: 72

約数和(自身を含む): 391919834880

約数和(自身を除く): 183030700772

約数列:

[1, 2, 4, 17, 34, 68, 191, 269, 289, 382, 538, 578, 764, 1076, 1156, 3247, 3517, 4573, 6494, 7034, 9146, 12988, 14068, 18292, 51379, 55199, 59789, 77741, 102758, 110398, 119578, 155482, 205516, 220796, 239156, 310964, 671747, 873443, 946073, 1016413, 1343494, 1746886, 1892146, 2032826, 2686988, 3493772, 3784292, 4065652, 11419699, 14848531, 16083241, 22839398, 29697062, 32166482, 45678796, 59394124, 64332964, 180699943, 194134883, 273415097, 361399886, 388269766, 546830194, 722799772, 776539532, 1093660388, 3071899031, 6143798062, 12287596124, 52222283527, 104444567054, 208889134108]

約数ペア:

[(1, 208889134108), (2, 104444567054), (4, 52222283527), (17, 12287596124), (34, 6143798062), (68, 3071899031), (191, 1093660388), (269, 776539532), (289, 722799772), (382, 546830194), (538, 388269766), (578, 361399886), (764, 273415097), (1076, 194134883), (1156, 180699943), (3247, 64332964), (3517, 59394124), (4573, 45678796), (6494, 32166482), (7034, 29697062), (9146, 22839398), (12988, 16083241), (14068, 14848531), (18292, 11419699), (51379, 4065652), (55199, 3784292), (59789, 3493772), (77741, 2686988), (102758, 2032826), (110398, 1892146), (119578, 1746886), (155482, 1343494), (205516, 1016413), (220796, 946073), (239156, 873443), (310964, 671747)]