890751004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{1163}}^1$

素因数の和:1307

約数の個数: 72

約数和(自身を含む): 1860872832

約数和(自身を除く): 970121828

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 103, 143, 169, 206, 286, 338, 412, 572, 676, 1133, 1163, 1339, 1859, 2266, 2326, 2678, 3718, 4532, 4652, 5356, 7436, 12793, 14729, 15119, 17407, 25586, 29458, 30238, 34814, 51172, 58916, 60476, 69628, 119789, 166309, 191477, 196547, 239578, 332618, 382954, 393094, 479156, 665236, 765908, 786188, 1317679, 1557257, 2162017, 2635358, 3114514, 4324034, 5270716, 6229028, 8648068, 17129827, 20244341, 34259654, 40488682, 68519308, 80977364, 222687751, 445375502, 890751004]

約数ペア:

[(1, 890751004), (2, 445375502), (4, 222687751), (11, 80977364), (13, 68519308), (22, 40488682), (26, 34259654), (44, 20244341), (52, 17129827), (103, 8648068), (143, 6229028), (169, 5270716), (206, 4324034), (286, 3114514), (338, 2635358), (412, 2162017), (572, 1557257), (676, 1317679), (1133, 786188), (1163, 765908), (1339, 665236), (1859, 479156), (2266, 393094), (2326, 382954), (2678, 332618), (3718, 239578), (4532, 196547), (4652, 191477), (5356, 166309), (7436, 119789), (12793, 69628), (14729, 60476), (15119, 58916), (17407, 51172), (25586, 34814), (29458, 30238)]