15661119019

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 20187059200

約数和(自身を除く): 4525940181

約数列:

[1, 7, 13, 37, 91, 109, 139, 259, 307, 481, 763, 973, 1417, 1807, 2149, 3367, 3991, 4033, 5143, 9919, 11359, 12649, 15151, 27937, 28231, 33463, 36001, 42673, 52429, 66859, 79513, 106057, 147667, 196963, 234241, 298711, 367003, 435019, 468013, 554749, 560587, 1033669, 1238131, 1378741, 1578901, 3045133, 3883243, 3924109, 4651357, 7287631, 8666917, 11052307, 16095703, 20525713, 32559499, 51013417, 60467641, 112669921, 143679991, 172100209, 423273487, 1204701463, 2237302717, 15661119019]

約数ペア:

[(1, 15661119019), (7, 2237302717), (13, 1204701463), (37, 423273487), (91, 172100209), (109, 143679991), (139, 112669921), (259, 60467641), (307, 51013417), (481, 32559499), (763, 20525713), (973, 16095703), (1417, 11052307), (1807, 8666917), (2149, 7287631), (3367, 4651357), (3991, 3924109), (4033, 3883243), (5143, 3045133), (9919, 1578901), (11359, 1378741), (12649, 1238131), (15151, 1033669), (27937, 560587), (28231, 554749), (33463, 468013), (36001, 435019), (42673, 367003), (52429, 298711), (66859, 234241), (79513, 196963), (106057, 147667)]