211689478

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2579}}^1$

素因数の和:2653

約数の個数: 64

約数和(自身を含む): 436907520

約数和(自身を除く): 225218042

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 41, 77, 82, 91, 143, 154, 182, 286, 287, 451, 533, 574, 902, 1001, 1066, 2002, 2579, 3157, 3731, 5158, 5863, 6314, 7462, 11726, 18053, 28369, 33527, 36106, 41041, 56738, 67054, 82082, 105739, 198583, 211478, 234689, 368797, 397166, 469378, 737594, 740173, 1163129, 1374607, 1480346, 2326258, 2581579, 2749214, 5163158, 8141903, 9622249, 15120677, 16283806, 19244498, 30241354, 105844739, 211689478]

約数ペア:

[(1, 211689478), (2, 105844739), (7, 30241354), (11, 19244498), (13, 16283806), (14, 15120677), (22, 9622249), (26, 8141903), (41, 5163158), (77, 2749214), (82, 2581579), (91, 2326258), (143, 1480346), (154, 1374607), (182, 1163129), (286, 740173), (287, 737594), (451, 469378), (533, 397166), (574, 368797), (902, 234689), (1001, 211478), (1066, 198583), (2002, 105739), (2579, 82082), (3157, 67054), (3731, 56738), (5158, 41041), (5863, 36106), (6314, 33527), (7462, 28369), (11726, 18053)]