221311188

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{383}}^1\times {\mathrm{2293}}^1$

素因数の和:2693

約数の個数: 72

約数和(自身を含む): 641292288

約数和(自身を除く): 419981100

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 383, 766, 1149, 1532, 2293, 2298, 2681, 3447, 4586, 4596, 5362, 6879, 6894, 8043, 9172, 10724, 13758, 13788, 16051, 16086, 20637, 24129, 27516, 32102, 32172, 41274, 48153, 48258, 64204, 82548, 96306, 96516, 144459, 192612, 288918, 577836, 878219, 1756438, 2634657, 3512876, 5269314, 6147533, 7903971, 10538628, 12295066, 15807942, 18442599, 24590132, 31615884, 36885198, 55327797, 73770396, 110655594, 221311188]

約数ペア:

[(1, 221311188), (2, 110655594), (3, 73770396), (4, 55327797), (6, 36885198), (7, 31615884), (9, 24590132), (12, 18442599), (14, 15807942), (18, 12295066), (21, 10538628), (28, 7903971), (36, 6147533), (42, 5269314), (63, 3512876), (84, 2634657), (126, 1756438), (252, 878219), (383, 577836), (766, 288918), (1149, 192612), (1532, 144459), (2293, 96516), (2298, 96306), (2681, 82548), (3447, 64204), (4586, 48258), (4596, 48153), (5362, 41274), (6879, 32172), (6894, 32102), (8043, 27516), (9172, 24129), (10724, 20637), (13758, 16086), (13788, 16051)]