661467348

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{20393}}^1$

素因数の和:20473

約数の個数: 72

約数和(自身を含む): 1803890088

約数和(自身を除く): 1142422740

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 53, 68, 102, 106, 153, 159, 204, 212, 306, 318, 477, 612, 636, 901, 954, 1802, 1908, 2703, 3604, 5406, 8109, 10812, 16218, 20393, 32436, 40786, 61179, 81572, 122358, 183537, 244716, 346681, 367074, 693362, 734148, 1040043, 1080829, 1386724, 2080086, 2161658, 3120129, 3242487, 4160172, 4323316, 6240258, 6484974, 9727461, 12480516, 12969948, 18374093, 19454922, 36748186, 38909844, 55122279, 73496372, 110244558, 165366837, 220489116, 330733674, 661467348]

約数ペア:

[(1, 661467348), (2, 330733674), (3, 220489116), (4, 165366837), (6, 110244558), (9, 73496372), (12, 55122279), (17, 38909844), (18, 36748186), (34, 19454922), (36, 18374093), (51, 12969948), (53, 12480516), (68, 9727461), (102, 6484974), (106, 6240258), (153, 4323316), (159, 4160172), (204, 3242487), (212, 3120129), (306, 2161658), (318, 2080086), (477, 1386724), (612, 1080829), (636, 1040043), (901, 734148), (954, 693362), (1802, 367074), (1908, 346681), (2703, 244716), (3604, 183537), (5406, 122358), (8109, 81572), (10812, 61179), (16218, 40786), (20393, 32436)]