990166435018

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{1093}}^1\times {\mathrm{2801}}^1$

素因数の和:4087

約数の個数: 64

約数和(自身を含む): 1589097139200

約数和(自身を除く): 598930704182

約数列:

[1, 2, 23, 46, 79, 89, 158, 178, 1093, 1817, 2047, 2186, 2801, 3634, 4094, 5602, 7031, 14062, 25139, 50278, 64423, 86347, 97277, 128846, 161713, 172694, 194554, 221279, 249289, 323426, 442558, 498578, 1985981, 2237371, 3061493, 3971962, 4474742, 5089417, 5733647, 6122986, 7684883, 10178834, 11467294, 15369766, 19693831, 39387662, 70414339, 140828678, 176752309, 241857947, 272472877, 353504618, 452958113, 483715894, 544945754, 905916226, 5562732781, 6266876171, 11125465562, 12533752342, 21525357283, 43050714566, 495083217509, 990166435018]

約数ペア:

[(1, 990166435018), (2, 495083217509), (23, 43050714566), (46, 21525357283), (79, 12533752342), (89, 11125465562), (158, 6266876171), (178, 5562732781), (1093, 905916226), (1817, 544945754), (2047, 483715894), (2186, 452958113), (2801, 353504618), (3634, 272472877), (4094, 241857947), (5602, 176752309), (7031, 140828678), (14062, 70414339), (25139, 39387662), (50278, 19693831), (64423, 15369766), (86347, 11467294), (97277, 10178834), (128846, 7684883), (161713, 6122986), (172694, 5733647), (194554, 5089417), (221279, 4474742), (249289, 3971962), (323426, 3061493), (442558, 2237371), (498578, 1985981)]