1621626916

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{563}}^1$

素因数の和:821

約数の個数: 96

約数和(自身を含む): 3602850048

約数和(自身を除く): 1981223132

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 41, 52, 82, 91, 164, 182, 193, 287, 364, 386, 533, 563, 574, 772, 1066, 1126, 1148, 1351, 2132, 2252, 2509, 2702, 3731, 3941, 5018, 5404, 7319, 7462, 7882, 7913, 10036, 14638, 14924, 15764, 15826, 17563, 23083, 29276, 31652, 35126, 46166, 51233, 55391, 70252, 92332, 102466, 102869, 108659, 110782, 161581, 204932, 205738, 217318, 221564, 300079, 323162, 411476, 434636, 600158, 646324, 720083, 760613, 1200316, 1412567, 1440166, 1521226, 2100553, 2825134, 2880332, 3042452, 4201106, 4455019, 5650268, 8402212, 8910038, 9887969, 17820076, 19775938, 31185133, 39551876, 57915247, 62370266, 115830494, 124740532, 231660988, 405406729, 810813458, 1621626916]

約数ペア:

[(1, 1621626916), (2, 810813458), (4, 405406729), (7, 231660988), (13, 124740532), (14, 115830494), (26, 62370266), (28, 57915247), (41, 39551876), (52, 31185133), (82, 19775938), (91, 17820076), (164, 9887969), (182, 8910038), (193, 8402212), (287, 5650268), (364, 4455019), (386, 4201106), (533, 3042452), (563, 2880332), (574, 2825134), (772, 2100553), (1066, 1521226), (1126, 1440166), (1148, 1412567), (1351, 1200316), (2132, 760613), (2252, 720083), (2509, 646324), (2702, 600158), (3731, 434636), (3941, 411476), (5018, 323162), (5404, 300079), (7319, 221564), (7462, 217318), (7882, 205738), (7913, 204932), (10036, 161581), (14638, 110782), (14924, 108659), (15764, 102869), (15826, 102466), (17563, 92332), (23083, 70252), (29276, 55391), (31652, 51233), (35126, 46166)]