208756912

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:351

約数の個数: 120

約数和(自身を含む): 514654560

約数和(自身を除く): 305897648

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 41, 52, 56, 82, 91, 104, 112, 164, 169, 182, 208, 269, 287, 328, 338, 364, 533, 538, 574, 656, 676, 728, 1066, 1076, 1148, 1183, 1352, 1456, 1883, 2132, 2152, 2296, 2366, 2704, 3497, 3731, 3766, 4264, 4304, 4592, 4732, 6929, 6994, 7462, 7532, 8528, 9464, 11029, 13858, 13988, 14924, 15064, 18928, 22058, 24479, 27716, 27976, 29848, 30128, 44116, 45461, 48503, 48958, 55432, 55952, 59696, 77203, 88232, 90922, 97006, 97916, 110864, 143377, 154406, 176464, 181844, 194012, 195832, 286754, 308812, 318227, 363688, 388024, 391664, 573508, 617624, 636454, 727376, 776048, 1003639, 1147016, 1235248, 1272908, 1863901, 2007278, 2294032, 2545816, 3727802, 4014556, 5091632, 7455604, 8029112, 13047307, 14911208, 16058224, 26094614, 29822416, 52189228, 104378456, 208756912]

約数ペア:

[(1, 208756912), (2, 104378456), (4, 52189228), (7, 29822416), (8, 26094614), (13, 16058224), (14, 14911208), (16, 13047307), (26, 8029112), (28, 7455604), (41, 5091632), (52, 4014556), (56, 3727802), (82, 2545816), (91, 2294032), (104, 2007278), (112, 1863901), (164, 1272908), (169, 1235248), (182, 1147016), (208, 1003639), (269, 776048), (287, 727376), (328, 636454), (338, 617624), (364, 573508), (533, 391664), (538, 388024), (574, 363688), (656, 318227), (676, 308812), (728, 286754), (1066, 195832), (1076, 194012), (1148, 181844), (1183, 176464), (1352, 154406), (1456, 143377), (1883, 110864), (2132, 97916), (2152, 97006), (2296, 90922), (2366, 88232), (2704, 77203), (3497, 59696), (3731, 55952), (3766, 55432), (4264, 48958), (4304, 48503), (4592, 45461), (4732, 44116), (6929, 30128), (6994, 29848), (7462, 27976), (7532, 27716), (8528, 24479), (9464, 22058), (11029, 18928), (13858, 15064), (13988, 14924)]