28980028

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2543}}^1$

素因数の和:2602

約数の個数: 48

約数和(自身を含む): 64963584

約数和(自身を除く): 35983556

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 74, 77, 148, 154, 259, 308, 407, 518, 814, 1036, 1628, 2543, 2849, 5086, 5698, 10172, 11396, 17801, 27973, 35602, 55946, 71204, 94091, 111892, 188182, 195811, 376364, 391622, 658637, 783244, 1035001, 1317274, 2070002, 2634548, 4140004, 7245007, 14490014, 28980028]

約数ペア:

[(1, 28980028), (2, 14490014), (4, 7245007), (7, 4140004), (11, 2634548), (14, 2070002), (22, 1317274), (28, 1035001), (37, 783244), (44, 658637), (74, 391622), (77, 376364), (148, 195811), (154, 188182), (259, 111892), (308, 94091), (407, 71204), (518, 55946), (814, 35602), (1036, 27973), (1628, 17801), (2543, 11396), (2849, 10172), (5086, 5698)]