217421064

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{143797}}^1$

素因数の和:143819

約数の個数: 64

約数和(自身を含む): 690230400

約数和(自身を除く): 472809336

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 143797, 287594, 431391, 575188, 862782, 1006579, 1150376, 1294173, 1725564, 2013158, 2588346, 3019737, 3451128, 3882519, 4026316, 5176692, 6039474, 7765038, 8052632, 9059211, 10353384, 12078948, 15530076, 18118422, 24157896, 27177633, 31060152, 36236844, 54355266, 72473688, 108710532, 217421064]

約数ペア:

[(1, 217421064), (2, 108710532), (3, 72473688), (4, 54355266), (6, 36236844), (7, 31060152), (8, 27177633), (9, 24157896), (12, 18118422), (14, 15530076), (18, 12078948), (21, 10353384), (24, 9059211), (27, 8052632), (28, 7765038), (36, 6039474), (42, 5176692), (54, 4026316), (56, 3882519), (63, 3451128), (72, 3019737), (84, 2588346), (108, 2013158), (126, 1725564), (168, 1294173), (189, 1150376), (216, 1006579), (252, 862782), (378, 575188), (504, 431391), (756, 287594), (1512, 143797)]