199444336

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:339

約数の個数: 120

約数和(自身を含む): 491781024

約数和(自身を除く): 292336688

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 41, 52, 56, 82, 91, 104, 112, 164, 169, 182, 208, 257, 287, 328, 338, 364, 514, 533, 574, 656, 676, 728, 1028, 1066, 1148, 1183, 1352, 1456, 1799, 2056, 2132, 2296, 2366, 2704, 3341, 3598, 3731, 4112, 4264, 4592, 4732, 6682, 6929, 7196, 7462, 8528, 9464, 10537, 13364, 13858, 14392, 14924, 18928, 21074, 23387, 26728, 27716, 28784, 29848, 42148, 43433, 46774, 48503, 53456, 55432, 59696, 73759, 84296, 86866, 93548, 97006, 110864, 136981, 147518, 168592, 173732, 187096, 194012, 273962, 295036, 304031, 347464, 374192, 388024, 547924, 590072, 608062, 694928, 776048, 958867, 1095848, 1180144, 1216124, 1780753, 1917734, 2191696, 2432248, 3561506, 3835468, 4864496, 7123012, 7670936, 12465271, 14246024, 15341872, 24930542, 28492048, 49861084, 99722168, 199444336]

約数ペア:

[(1, 199444336), (2, 99722168), (4, 49861084), (7, 28492048), (8, 24930542), (13, 15341872), (14, 14246024), (16, 12465271), (26, 7670936), (28, 7123012), (41, 4864496), (52, 3835468), (56, 3561506), (82, 2432248), (91, 2191696), (104, 1917734), (112, 1780753), (164, 1216124), (169, 1180144), (182, 1095848), (208, 958867), (257, 776048), (287, 694928), (328, 608062), (338, 590072), (364, 547924), (514, 388024), (533, 374192), (574, 347464), (656, 304031), (676, 295036), (728, 273962), (1028, 194012), (1066, 187096), (1148, 173732), (1183, 168592), (1352, 147518), (1456, 136981), (1799, 110864), (2056, 97006), (2132, 93548), (2296, 86866), (2366, 84296), (2704, 73759), (3341, 59696), (3598, 55432), (3731, 53456), (4112, 48503), (4264, 46774), (4592, 43433), (4732, 42148), (6682, 29848), (6929, 28784), (7196, 27716), (7462, 26728), (8528, 23387), (9464, 21074), (10537, 18928), (13364, 14924), (13858, 14392)]