28735644

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{20123}}^1$

素因数の和:20154

約数の個数: 48

約数和(自身を含む): 81139968

約数和(自身を除く): 52404324

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 20123, 40246, 60369, 80492, 120738, 140861, 241476, 281722, 342091, 422583, 563444, 684182, 845166, 1026273, 1368364, 1690332, 2052546, 2394637, 4105092, 4789274, 7183911, 9578548, 14367822, 28735644]

約数ペア:

[(1, 28735644), (2, 14367822), (3, 9578548), (4, 7183911), (6, 4789274), (7, 4105092), (12, 2394637), (14, 2052546), (17, 1690332), (21, 1368364), (28, 1026273), (34, 845166), (42, 684182), (51, 563444), (68, 422583), (84, 342091), (102, 281722), (119, 241476), (204, 140861), (238, 120738), (357, 80492), (476, 60369), (714, 40246), (1428, 20123)]