393441412

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{643}}^1$

素因数の和:749

約数の個数: 72

約数和(自身を含む): 869935808

約数和(自身を除く): 476494396

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 41, 52, 82, 91, 164, 182, 287, 364, 533, 574, 643, 1066, 1148, 1286, 1681, 2132, 2572, 3362, 3731, 4501, 6724, 7462, 8359, 9002, 11767, 14924, 16718, 18004, 21853, 23534, 26363, 33436, 43706, 47068, 52726, 58513, 87412, 105452, 117026, 152971, 184541, 234052, 305942, 342719, 369082, 611884, 685438, 738164, 1080883, 1370876, 2161766, 2399033, 4323532, 4798066, 7566181, 9596132, 14051479, 15132362, 28102958, 30264724, 56205916, 98360353, 196720706, 393441412]

約数ペア:

[(1, 393441412), (2, 196720706), (4, 98360353), (7, 56205916), (13, 30264724), (14, 28102958), (26, 15132362), (28, 14051479), (41, 9596132), (52, 7566181), (82, 4798066), (91, 4323532), (164, 2399033), (182, 2161766), (287, 1370876), (364, 1080883), (533, 738164), (574, 685438), (643, 611884), (1066, 369082), (1148, 342719), (1286, 305942), (1681, 234052), (2132, 184541), (2572, 152971), (3362, 117026), (3731, 105452), (4501, 87412), (6724, 58513), (7462, 52726), (8359, 47068), (9002, 43706), (11767, 33436), (14924, 26363), (16718, 23534), (18004, 21853)]