213617404

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1721}}^1$

素因数の和:1787

約数の個数: 96

約数和(自身を含む): 518418432

約数和(自身を除く): 304801028

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 31, 44, 52, 62, 77, 91, 124, 143, 154, 182, 217, 286, 308, 341, 364, 403, 434, 572, 682, 806, 868, 1001, 1364, 1612, 1721, 2002, 2387, 2821, 3442, 4004, 4433, 4774, 5642, 6884, 8866, 9548, 11284, 12047, 17732, 18931, 22373, 24094, 31031, 37862, 44746, 48188, 53351, 62062, 75724, 89492, 106702, 124124, 132517, 156611, 213404, 246103, 265034, 313222, 373457, 492206, 530068, 586861, 626444, 693563, 746914, 984412, 1173722, 1387126, 1493828, 1722721, 2347444, 2774252, 3445442, 4108027, 4854941, 6890884, 7629193, 8216054, 9709882, 15258386, 16432108, 19419764, 30516772, 53404351, 106808702, 213617404]

約数ペア:

[(1, 213617404), (2, 106808702), (4, 53404351), (7, 30516772), (11, 19419764), (13, 16432108), (14, 15258386), (22, 9709882), (26, 8216054), (28, 7629193), (31, 6890884), (44, 4854941), (52, 4108027), (62, 3445442), (77, 2774252), (91, 2347444), (124, 1722721), (143, 1493828), (154, 1387126), (182, 1173722), (217, 984412), (286, 746914), (308, 693563), (341, 626444), (364, 586861), (403, 530068), (434, 492206), (572, 373457), (682, 313222), (806, 265034), (868, 246103), (1001, 213404), (1364, 156611), (1612, 132517), (1721, 124124), (2002, 106702), (2387, 89492), (2821, 75724), (3442, 62062), (4004, 53351), (4433, 48188), (4774, 44746), (5642, 37862), (6884, 31031), (8866, 24094), (9548, 22373), (11284, 18931), (12047, 17732)]