445923478

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{20249}}^1$

素因数の和:20293

約数の個数: 48

約数和(自身を含む): 904932000

約数和(自身を除く): 459008522

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 121, 143, 154, 182, 242, 286, 847, 1001, 1573, 1694, 2002, 3146, 11011, 20249, 22022, 40498, 141743, 222739, 263237, 283486, 445478, 526474, 1559173, 1842659, 2450129, 2895607, 3118346, 3685318, 4900258, 5791214, 17150903, 20269249, 31851677, 34301806, 40538498, 63703354, 222961739, 445923478]

約数ペア:

[(1, 445923478), (2, 222961739), (7, 63703354), (11, 40538498), (13, 34301806), (14, 31851677), (22, 20269249), (26, 17150903), (77, 5791214), (91, 4900258), (121, 3685318), (143, 3118346), (154, 2895607), (182, 2450129), (242, 1842659), (286, 1559173), (847, 526474), (1001, 445478), (1573, 283486), (1694, 263237), (2002, 222739), (3146, 141743), (11011, 40498), (20249, 22022)]