209849586908

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{128969}}^1$

素因数の和:129111

約数の個数: 72

約数和(自身を含む): 416330636400

約数和(自身を除く): 206481049492

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 83, 116, 166, 169, 332, 338, 377, 676, 754, 1079, 1508, 2158, 2407, 4316, 4814, 4901, 9628, 9802, 14027, 19604, 28054, 31291, 56108, 62582, 125164, 128969, 257938, 406783, 515876, 813566, 1627132, 1676597, 3353194, 3740101, 6706388, 7480202, 10704427, 14960404, 21408854, 21795761, 42817708, 43591522, 48621313, 87183044, 97242626, 139157551, 194485252, 278315102, 310428383, 556630204, 620856766, 632077069, 1241713532, 1264154138, 1809048163, 2528308276, 3618096326, 4035568979, 7236192652, 8071137958, 16142275916, 52462396727, 104924793454, 209849586908]

約数ペア:

[(1, 209849586908), (2, 104924793454), (4, 52462396727), (13, 16142275916), (26, 8071137958), (29, 7236192652), (52, 4035568979), (58, 3618096326), (83, 2528308276), (116, 1809048163), (166, 1264154138), (169, 1241713532), (332, 632077069), (338, 620856766), (377, 556630204), (676, 310428383), (754, 278315102), (1079, 194485252), (1508, 139157551), (2158, 97242626), (2407, 87183044), (4316, 48621313), (4814, 43591522), (4901, 42817708), (9628, 21795761), (9802, 21408854), (14027, 14960404), (19604, 10704427), (28054, 7480202), (31291, 6706388), (56108, 3740101), (62582, 3353194), (125164, 1676597), (128969, 1627132), (257938, 813566), (406783, 515876)]